56011647 has 8 divisors (see below), whose sum is σ = 77929344. Its totient is φ = 35717528.

The previous prime is 56011621. The next prime is 56011661. The reversal of 56011647 is 74611065.

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

It is not a de Polignac number, because 56011647 - 2⁷ = 56011519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56011667) 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, 405813 + ... + 405950.

It is an arithmetic number, because the mean of its divisors is an integer number (9741168).

Almost surely, 2^56011647 is an apocalyptic number.

56011647 is a deficient number, since it is larger than the sum of its proper divisors (21917697).

56011647 is a wasteful number, since it uses less digits than its factorization.

56011647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811789.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 56011647 is about 7484.0929310104. The cubic root of 56011647 is about 382.6127584176.

The spelling of 56011647 in words is "fifty-six million, eleven thousand, six hundred forty-seven".