56627555 has 4 divisors (see below), whose sum is σ = 67953072. Its totient is φ = 45302040.

The previous prime is 56627537. The next prime is 56627563. The reversal of 56627555 is 55572665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55572665 = 5 ⋅11114533.

It is not a de Polignac number, because 56627555 - 2⁶ = 56627491 is a prime.

It is a Duffinian number.

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, 5662751 + ... + 5662760.

It is an arithmetic number, because the mean of its divisors is an integer number (16988268).

Almost surely, 2^56627555 is an apocalyptic number.

56627555 is a deficient number, since it is larger than the sum of its proper divisors (11325517).

56627555 is a wasteful number, since it uses less digits than its factorization.

56627555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325516.

The product of its digits is 315000, while the sum is 41.

The square root of 56627555 is about 7525.1282381100. The cubic root of 56627555 is about 384.0100614949.

The spelling of 56627555 in words is "fifty-six million, six hundred twenty-seven thousand, five hundred fifty-five".