Search a number
-
+
52553045454 = 2371327403923
BaseRepresentation
bin110000111100011001…
…111101010111001110
312000122111211022120220
4300330121331113032
51330112034423304
640050442052210
73540212341650
oct607431752716
9160574738526
1052553045454
1120318907978
12a227aaa066
134c56982800
14278782c6d0
151578a9cad9
hexc3c67d5ce

52553045454 has 48 divisors (see below), whose sum is σ = 130072136832. Its totient is φ = 13860141984.

The previous prime is 52553045443. The next prime is 52553045513. The reversal of 52553045454 is 45454035525.

It is a super-2 number, since 2×525530454542 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 3694864 + ... + 3709059.

It is an arithmetic number, because the mean of its divisors is an integer number (2709836184).

Almost surely, 252553045454 is an apocalyptic number.

52553045454 is an abundant number, since it is smaller than the sum of its proper divisors (77519091378).

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

52553045454 is a wasteful number, since it uses less digits than its factorization.

52553045454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403961 (or 7403948 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 52553045454 in words is "fifty-two billion, five hundred fifty-three million, forty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 169 182 273 338 507 546 1014 1183 2366 3549 7098 7403923 14807846 22211769 44423538 51827461 96250999 103654922 155482383 192501998 288752997 310964766 577505994 673756993 1251262987 1347513986 2021270979 2502525974 3753788961 4042541958 7507577922 8758840909 17517681818 26276522727 52553045454