56466855 has 16 divisors (see below), whose sum is σ = 100385760. Its totient is φ = 30115584.

The previous prime is 56466829. The next prime is 56466859. The reversal of 56466855 is 55866465.

It is a happy number.

56466855 is a `hidden beast` number, since 564 + 6 + 6 + 85 + 5 = 666.

It is not a de Polignac number, because 56466855 - 2²¹ = 54369703 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 56466855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56466859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209002 + ... + 209271.

It is an arithmetic number, because the mean of its divisors is an integer number (6274110).

Almost surely, 2^56466855 is an apocalyptic number.

56466855 is a deficient number, since it is larger than the sum of its proper divisors (43918905).

56466855 is a wasteful number, since it uses less digits than its factorization.

56466855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418287 (or 418281 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 56466855 is about 7514.4430931374. The cubic root of 56466855 is about 383.6464641622.

The spelling of 56466855 in words is "fifty-six million, four hundred sixty-six thousand, eight hundred fifty-five".