56906250 has 56 divisors (see below), whose sum is σ = 142498176. Its totient is φ = 15150000.

The previous prime is 56906221. The next prime is 56906251. The reversal of 56906250 is 5260965.

It is not an unprimeable number, because it can be changed into a prime (56906251) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 93447 + ... + 94053.

Almost surely, 2^56906250 is an apocalyptic number.

56906250 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 56906250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71249088).

56906250 is an abundant number, since it is smaller than the sum of its proper divisors (85591926).

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

56906250 is an frugal number, since it uses more digits than its factorization.

56906250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 56906250 is about 7543.6231348073. The cubic root of 56906250 is about 384.6390049596.

The spelling of 56906250 in words is "fifty-six million, nine hundred six thousand, two hundred fifty".