56477460 has 96 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 13662720.

The previous prime is 56477441. The next prime is 56477479. The reversal of 56477460 is 6477465.

It is an interprime number because it is at equal distance from previous prime (56477441) and next prime (56477479).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46987 + ... + 48173.

It is an arithmetic number, because the mean of its divisors is an integer number (1804572).

Almost surely, 2^56477460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56477460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86619456).

56477460 is an abundant number, since it is smaller than the sum of its proper divisors (116761452).

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

56477460 is a wasteful number, since it uses less digits than its factorization.

56477460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 56477460 is about 7515.1487011236. The cubic root of 56477460 is about 383.6704801156.

The spelling of 56477460 in words is "fifty-six million, four hundred seventy-seven thousand, four hundred sixty".