56161731025302 has 32 divisors (see below), whose sum is σ = 128371096512000. Its totient is φ = 16046030664768.

The previous prime is 56161731025297. The next prime is 56161731025319. The reversal of 56161731025302 is 20352013716165.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574527 + ... + 11184842.

It is an arithmetic number, because the mean of its divisors is an integer number (4011596766000).

Almost surely, 2^{56161731025302} is an apocalyptic number.

56161731025302 is an abundant number, since it is smaller than the sum of its proper divisors (72209365486698).

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

56161731025302 is a wasteful number, since it uses less digits than its factorization.

56161731025302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14849980.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 56161731025302 in words is "fifty-six trillion, one hundred sixty-one billion, seven hundred thirty-one million, twenty-five thousand, three hundred two".