56156369304 has 256 divisors, whose sum is σ = 170716815360. Its totient is φ = 15054336000.

The previous prime is 56156369281. The next prime is 56156369327. The reversal of 56156369304 is 40396365165.

It is an interprime number because it is at equal distance from previous prime (56156369281) and next prime (56156369327).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38647842 + ... + 38649294.

It is an arithmetic number, because the mean of its divisors is an integer number (666862560).

Almost surely, 2^56156369304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56156369304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85358407680).

56156369304 is an abundant number, since it is smaller than the sum of its proper divisors (114560446056).

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

56156369304 is a wasteful number, since it uses less digits than its factorization.

56156369304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 56156369304 in words is "fifty-six billion, one hundred fifty-six million, three hundred sixty-nine thousand, three hundred four".