56182640 has 20 divisors (see below), whose sum is σ = 130624824. Its totient is φ = 22473024.

The previous prime is 56182619. The next prime is 56182661. The reversal of 56182640 is 4628165.

56182640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56182619) and next prime (56182661).

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 56182597 and 56182606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351062 + ... + 351221.

Almost surely, 2^56182640 is an apocalyptic number.

It is an amenable number.

56182640 is an abundant number, since it is smaller than the sum of its proper divisors (74442184).

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

56182640 is a wasteful number, since it uses less digits than its factorization.

56182640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702296 (or 702290 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 56182640 is about 7495.5079881220. The cubic root of 56182640 is about 383.0017110954.

The spelling of 56182640 in words is "fifty-six million, one hundred eighty-two thousand, six hundred forty".