56156547 has 8 divisors (see below), whose sum is σ = 78130944. Its totient is φ = 35809928.

The previous prime is 56156459. The next prime is 56156563. The reversal of 56156547 is 74565165.

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 56156547 - 2⁸ = 56156291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56156567) 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, 406863 + ... + 407000.

It is an arithmetic number, because the mean of its divisors is an integer number (9766368).

Almost surely, 2^56156547 is an apocalyptic number.

56156547 is a deficient number, since it is larger than the sum of its proper divisors (21974397).

56156547 is a wasteful number, since it uses less digits than its factorization.

56156547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813889.

The product of its digits is 126000, while the sum is 39.

The square root of 56156547 is about 7493.7672101554. The cubic root of 56156547 is about 382.9424091997.

The spelling of 56156547 in words is "fifty-six million, one hundred fifty-six thousand, five hundred forty-seven".