56511846 has 12 divisors (see below), whose sum is σ = 122442372. Its totient is φ = 18837276.

The previous prime is 56511841. The next prime is 56511863. The reversal of 56511846 is 64811565.

56511846 is a `hidden beast` number, since 565 + 11 + 84 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56511846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1569756 + ... + 1569791.

It is an arithmetic number, because the mean of its divisors is an integer number (10203531).

Almost surely, 2^56511846 is an apocalyptic number.

56511846 is an abundant number, since it is smaller than the sum of its proper divisors (65930526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56511846 is a wasteful number, since it uses less digits than its factorization.

56511846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139555 (or 3139552 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 56511846 is about 7517.4361320865. The cubic root of 56511846 is about 383.7483295594.

The spelling of 56511846 in words is "fifty-six million, five hundred eleven thousand, eight hundred forty-six".