52655765120 has 64 divisors (see below), whose sum is σ = 143863084800. Its totient is φ = 18053403648.

The previous prime is 52655765089. The next prime is 52655765171. The reversal of 52655765120 is 2156755625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×52655765120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872280 + ... + 5881239.

It is an arithmetic number, because the mean of its divisors is an integer number (2247860700).

Almost surely, 2^52655765120 is an apocalyptic number.

It is an amenable number.

52655765120 is an abundant number, since it is smaller than the sum of its proper divisors (91207319680).

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

52655765120 is a wasteful number, since it uses less digits than its factorization.

52655765120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753545 (or 11753533 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 52655765120 in words is "fifty-two billion, six hundred fifty-five million, seven hundred sixty-five thousand, one hundred twenty".