56957250 has 128 divisors (see below), whose sum is σ = 171325440. Its totient is φ = 12312000.

The previous prime is 56957239. The next prime is 56957273. The reversal of 56957250 is 5275965.

It is a junction number, because it is equal to n+sod(n) for n = 56957199 and 56957208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99465 + ... + 100035.

It is an arithmetic number, because the mean of its divisors is an integer number (1338480).

Almost surely, 2^56957250 is an apocalyptic number.

56957250 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 56957250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85662720).

56957250 is an abundant number, since it is smaller than the sum of its proper divisors (114368190).

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

56957250 is a wasteful number, since it uses less digits than its factorization.

56957250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 607 counting only the distinct ones).

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

The square root of 56957250 is about 7547.0027163106. The cubic root of 56957250 is about 384.7538765362.

The spelling of 56957250 in words is "fifty-six million, nine hundred fifty-seven thousand, two hundred fifty".