56277855 has 16 divisors (see below), whose sum is σ = 100049760. Its totient is φ = 30014784.

The previous prime is 56277853. The next prime is 56277857. The reversal of 56277855 is 55877265.

56277855 is a `hidden beast` number, since 562 + 7 + 7 + 85 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (56277853) and next prime (56277857).

It is not a de Polignac number, because 56277855 - 2¹ = 56277853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56277855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56277853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208302 + ... + 208571.

It is an arithmetic number, because the mean of its divisors is an integer number (6253110).

Almost surely, 2^56277855 is an apocalyptic number.

56277855 is a deficient number, since it is larger than the sum of its proper divisors (43771905).

56277855 is a wasteful number, since it uses less digits than its factorization.

56277855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416887 (or 416881 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 56277855 is about 7501.8567701603. The cubic root of 56277855 is about 383.2179518316.

The spelling of 56277855 in words is "fifty-six million, two hundred seventy-seven thousand, eight hundred fifty-five".