56745250 has 32 divisors (see below), whose sum is σ = 107997552. Its totient is φ = 22326000.

The previous prime is 56745239. The next prime is 56745287. The reversal of 56745250 is 5254765.

56745250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 45927729 + 10817521 = 6777^2 + 3289^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930220 + ... + 930280.

Almost surely, 2^56745250 is an apocalyptic number.

56745250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56745250 is a deficient number, since it is larger than the sum of its proper divisors (51252302).

56745250 is an frugal number, since it uses more digits than its factorization.

56745250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 56745250 is about 7532.9443114894. The cubic root of 56745250 is about 384.2759202179.

The spelling of 56745250 in words is "fifty-six million, seven hundred forty-five thousand, two hundred fifty".