56504274540 has 288 divisors, whose sum is σ = 191880057600. Its totient is φ = 12372272640.

The previous prime is 56504274487. The next prime is 56504274557. The reversal of 56504274540 is 4547240565.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 56504274492 and 56504274501.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11166531 + ... + 11171589.

It is an arithmetic number, because the mean of its divisors is an integer number (666250200).

Almost surely, 2^56504274540 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 56504274540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95940028800).

56504274540 is an abundant number, since it is smaller than the sum of its proper divisors (135375783060).

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

56504274540 is a wasteful number, since it uses less digits than its factorization.

56504274540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 56504274540 in words is "fifty-six billion, five hundred four million, two hundred seventy-four thousand, five hundred forty".