53255556361 has 24 divisors (see below), whose sum is σ = 65680188000. Its totient is φ = 42933893184.

The previous prime is 53255556359. The next prime is 53255556397. The reversal of 53255556361 is 16365555235.

It is not a de Polignac number, because 53255556361 - 2¹ = 53255556359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53255556961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76356 + ... + 335173.

It is an arithmetic number, because the mean of its divisors is an integer number (2736674500).

Almost surely, 2^53255556361 is an apocalyptic number.

It is an amenable number.

53255556361 is a deficient number, since it is larger than the sum of its proper divisors (12424631639).

53255556361 is a wasteful number, since it uses less digits than its factorization.

53255556361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411701 (or 411694 counting only the distinct ones).

The product of its digits is 2025000, while the sum is 46.

The spelling of 53255556361 in words is "fifty-three billion, two hundred fifty-five million, five hundred fifty-six thousand, three hundred sixty-one".