56344620 has 48 divisors (see below), whose sum is σ = 161441280. Its totient is φ = 14675136.

The previous prime is 56344601. The next prime is 56344657. The reversal of 56344620 is 2644365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8340 + ... + 13499.

It is an arithmetic number, because the mean of its divisors is an integer number (3363360).

Almost surely, 2^56344620 is an apocalyptic number.

It is an amenable number.

56344620 is an abundant number, since it is smaller than the sum of its proper divisors (105096660).

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

56344620 is a wasteful number, since it uses less digits than its factorization.

56344620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21894 (or 21892 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 56344620 is about 7506.3053495045. The cubic root of 56344620 is about 383.3694349532.

Adding to 56344620 its reverse (2644365), we get a palindrome (58988985).

The spelling of 56344620 in words is "fifty-six million, three hundred forty-four thousand, six hundred twenty".