56000051 has 8 divisors (see below), whose sum is σ = 56440800. Its totient is φ = 55561600.

The previous prime is 56000047. The next prime is 56000053. The reversal of 56000051 is 15000065.

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

It is a cyclic number.

It is not a de Polignac number, because 56000051 - 2² = 56000047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55999993 and 56000029.

It is not an unprimeable number, because it can be changed into a prime (56000053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139451 + ... + 139851.

It is an arithmetic number, because the mean of its divisors is an integer number (7055100).

Almost surely, 2^56000051 is an apocalyptic number.

56000051 is a deficient number, since it is larger than the sum of its proper divisors (440749).

56000051 is a wasteful number, since it uses less digits than its factorization.

56000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 56000051 is about 7483.3181811279. The cubic root of 56000051 is about 382.5863526967.

The spelling of 56000051 in words is "fifty-six million, fifty-one", and thus it is an aban number and an uban number.