56506650 has 48 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 15016960.

The previous prime is 56506631. The next prime is 56506669. The reversal of 56506650 is 5660565.

It is an interprime number because it is at equal distance from previous prime (56506631) and next prime (56506669).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66931 + ... + 67769.

It is an arithmetic number, because the mean of its divisors is an integer number (2929500).

Almost surely, 2^56506650 is an apocalyptic number.

56506650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56506650 is an abundant number, since it is smaller than the sum of its proper divisors (84109350).

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

56506650 is a wasteful number, since it uses less digits than its factorization.

56506650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 56506650 is about 7517.0905275911. The cubic root of 56506650 is about 383.7365679108.

The spelling of 56506650 in words is "fifty-six million, five hundred six thousand, six hundred fifty".