53051020564 has 24 divisors (see below), whose sum is σ = 95976651008. Its totient is φ = 25631665920.

The previous prime is 53051020549. The next prime is 53051020577. The reversal of 53051020564 is 46502015035.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234402 + ... + 401305.

Almost surely, 2^53051020564 is an apocalyptic number.

It is an amenable number.

53051020564 is a deficient number, since it is larger than the sum of its proper divisors (42925630444).

53051020564 is a wasteful number, since it uses less digits than its factorization.

53051020564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636415 (or 636413 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 53051020564 its reverse (46502015035), we get a palindrome (99553035599).

The spelling of 53051020564 in words is "fifty-three billion, fifty-one million, twenty thousand, five hundred sixty-four".