56579250 has 128 divisors (see below), whose sum is σ = 174021120. Its totient is φ = 11923200.

The previous prime is 56579233. The next prime is 56579279. The reversal of 56579250 is 5297565.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56579199 and 56579208.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67836 + ... + 68664.

It is an arithmetic number, because the mean of its divisors is an integer number (1359540).

Almost surely, 2^56579250 is an apocalyptic number.

56579250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56579250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87010560).

56579250 is an abundant number, since it is smaller than the sum of its proper divisors (117441870).

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

56579250 is a wasteful number, since it uses less digits than its factorization.

56579250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 56579250 is about 7521.9179734959. The cubic root of 56579250 is about 383.9008397389.

The spelling of 56579250 in words is "fifty-six million, five hundred seventy-nine thousand, two hundred fifty".