56609732358 has 16 divisors (see below), whose sum is σ = 125799405360. Its totient is φ = 18869910768.

The previous prime is 56609732317. The next prime is 56609732363. The reversal of 56609732358 is 85323790665.

It is a happy number.

56609732358 is a `hidden beast` number, since 5 + 6 + 609 + 7 + 3 + 23 + 5 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1048328377 = 56609732358 / (5 + 6 + 6 + 0 + 9 + 7 + 3 + 2 + 3 + 5 + 8).

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, 524164135 + ... + 524164242.

It is an arithmetic number, because the mean of its divisors is an integer number (7862462835).

Almost surely, 2^56609732358 is an apocalyptic number.

56609732358 is an abundant number, since it is smaller than the sum of its proper divisors (69189673002).

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

56609732358 is a wasteful number, since it uses less digits than its factorization.

56609732358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048328388 (or 1048328382 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 56609732358 in words is "fifty-six billion, six hundred nine million, seven hundred thirty-two thousand, three hundred fifty-eight".