56156601 has 8 divisors (see below), whose sum is σ = 74914720. Its totient is φ = 37418112.

The previous prime is 56156599. The next prime is 56156603. The reversal of 56156601 is 10665165.

It is an interprime number because it is at equal distance from previous prime (56156599) and next prime (56156603).

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

It is not a de Polignac number, because 56156601 - 2¹ = 56156599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56156603) 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, 4170 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (9364340).

Almost surely, 2^56156601 is an apocalyptic number.

It is an amenable number.

56156601 is a deficient number, since it is larger than the sum of its proper divisors (18758119).

56156601 is a wasteful number, since it uses less digits than its factorization.

56156601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56156601 is about 7493.7708131487. The cubic root of 56156601 is about 382.9425319452.

The spelling of 56156601 in words is "fifty-six million, one hundred fifty-six thousand, six hundred one".