56087772490 has 8 divisors (see below), whose sum is σ = 100957990500. Its totient is φ = 22435108992.

The previous prime is 56087772487. The next prime is 56087772569. The reversal of 56087772490 is 9427778065.

It can be written as a sum of positive squares in 2 ways, for example, as 56026416601 + 61355889 = 236699^2 + 7833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804388615 + ... + 2804388634.

Almost surely, 2^56087772490 is an apocalyptic number.

56087772490 is a deficient number, since it is larger than the sum of its proper divisors (44870218010).

56087772490 is a wasteful number, since it uses less digits than its factorization.

56087772490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608777256.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 56087772490 in words is "fifty-six billion, eighty-seven million, seven hundred seventy-two thousand, four hundred ninety".