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53020050 = 23522831249
BaseRepresentation
bin1100101001000…
…0010110010010
310200202200211120
43022100112102
5102033120200
65132223110
71212443256
oct312202622
9120680746
1053020050
1127a23826
121590aa96
13aca4c15
147082266
1549c49a0
hex3290592

53020050 has 48 divisors (see below), whose sum is σ = 132060000. Its totient is φ = 14077440.

The previous prime is 53020049. The next prime is 53020067. The reversal of 53020050 is 5002035.

It is a super-2 number, since 2×530200502 = 5622251404005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41826 + ... + 43074.

It is an arithmetic number, because the mean of its divisors is an integer number (2751250).

Almost surely, 253020050 is an apocalyptic number.

53020050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53020050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66030000).

53020050 is an abundant number, since it is smaller than the sum of its proper divisors (79039950).

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

53020050 is a wasteful number, since it uses less digits than its factorization.

53020050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 53020050 is about 7281.4867987246. The cubic root of 53020050 is about 375.6759364500.

Adding to 53020050 its reverse (5002035), we get a palindrome (58022085).

The spelling of 53020050 in words is "fifty-three million, twenty thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 283 566 849 1249 1415 1698 2498 2830 3747 4245 6245 7075 7494 8490 12490 14150 18735 21225 31225 37470 42450 62450 93675 187350 353467 706934 1060401 1767335 2120802 3534670 5302005 8836675 10604010 17673350 26510025 53020050