56551650 has 24 divisors (see below), whose sum is σ = 140248464. Its totient is φ = 15080400.

The previous prime is 56551613. The next prime is 56551699. The reversal of 56551650 is 5615565.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188356 + ... + 188655.

It is an arithmetic number, because the mean of its divisors is an integer number (5843686).

Almost surely, 2^56551650 is an apocalyptic number.

56551650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56551650 is an abundant number, since it is smaller than the sum of its proper divisors (83696814).

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

56551650 is a wasteful number, since it uses less digits than its factorization.

56551650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377026 (or 377021 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 56551650 is about 7520.0831112429. The cubic root of 56551650 is about 383.8384058576.

The spelling of 56551650 in words is "fifty-six million, five hundred fifty-one thousand, six hundred fifty".