56375220 has 96 divisors (see below), whose sum is σ = 173416320. Its totient is φ = 13570560.

The previous prime is 56375219. The next prime is 56375227. The reversal of 56375220 is 2257365.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56375227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150954 + ... + 151326.

It is an arithmetic number, because the mean of its divisors is an integer number (1806420).

Almost surely, 2^56375220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56375220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86708160).

56375220 is an abundant number, since it is smaller than the sum of its proper divisors (117041100).

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

56375220 is a wasteful number, since it uses less digits than its factorization.

56375220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 56375220 is about 7508.3433592238. The cubic root of 56375220 is about 383.4388233094.

The spelling of 56375220 in words is "fifty-six million, three hundred seventy-five thousand, two hundred twenty".