53007756165 has 192 divisors, whose sum is σ = 115228818432. Its totient is φ = 21946982400.

The previous prime is 53007756133. The next prime is 53007756167. The reversal of 53007756165 is 56165770035.

53007756165 is a `hidden beast` number, since 530 + 0 + 7 + 7 + 56 + 1 + 65 = 666.

It is not a de Polignac number, because 53007756165 - 2⁵ = 53007756133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53007756165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53007756167) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 97980795 + ... + 97981335.

It is an arithmetic number, because the mean of its divisors is an integer number (600150096).

Almost surely, 2^53007756165 is an apocalyptic number.

It is an amenable number.

53007756165 is an abundant number, since it is smaller than the sum of its proper divisors (62221062267).

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

53007756165 is a wasteful number, since it uses less digits than its factorization.

53007756165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The spelling of 53007756165 in words is "fifty-three billion, seven million, seven hundred fifty-six thousand, one hundred sixty-five".