56483640 has 48 divisors (see below), whose sum is σ = 183573000. Its totient is φ = 15062208.

The previous prime is 56483633. The next prime is 56483641. The reversal of 56483640 is 4638465.

56483640 is a `hidden beast` number, since 5 + 6 + 4 + 8 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56483595 and 56483604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56483641) 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 11 ways as a sum of consecutive naturals, for example, 78090 + ... + 78809.

Almost surely, 2^56483640 is an apocalyptic number.

It is an amenable number.

56483640 is an abundant number, since it is smaller than the sum of its proper divisors (127089360).

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

56483640 is a wasteful number, since it uses less digits than its factorization.

56483640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156916 (or 156909 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 56483640 is about 7515.5598593851. The cubic root of 56483640 is about 383.6844738816.

The spelling of 56483640 in words is "fifty-six million, four hundred eighty-three thousand, six hundred forty".