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53766252 = 22324173499
BaseRepresentation
bin1100110100011…
…0100001101100
310202011121102200
43031012201230
5102231010002
65200221500
71222001631
oct315064154
9122147380
1053766252
1128393421
121600a890
13b1a6767
1471d8188
154ac0b1c
hex334686c

53766252 has 72 divisors (see below), whose sum is σ = 141414000. Its totient is φ = 17210880.

The previous prime is 53766247. The next prime is 53766253. The reversal of 53766252 is 25266735.

It is a happy number.

It is a super-3 number, since 3×537662523 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53766253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107499 + ... + 107997.

Almost surely, 253766252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53766252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70707000).

53766252 is an abundant number, since it is smaller than the sum of its proper divisors (87647748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53766252 is a wasteful number, since it uses less digits than its factorization.

53766252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 618 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 53766252 is about 7332.5474427378. The cubic root of 53766252 is about 377.4301483259.

It can be divided in two parts, 5376 and 6252, that added together give a triangular number (11628 = T152).

The spelling of 53766252 in words is "fifty-three million, seven hundred sixty-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 41 73 82 123 146 164 219 246 292 369 438 492 499 657 738 876 998 1314 1476 1497 1996 2628 2993 2994 4491 5986 5988 8979 8982 11972 17958 17964 20459 26937 35916 36427 40918 53874 61377 72854 81836 107748 109281 122754 145708 184131 218562 245508 327843 368262 437124 655686 736524 1311372 1493507 2987014 4480521 5974028 8961042 13441563 17922084 26883126 53766252