56105250 has 64 divisors (see below), whose sum is σ = 141073920. Its totient is φ = 14851200.

The previous prime is 56105249. The next prime is 56105267. The reversal of 56105250 is 5250165.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56105250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179094 + ... + 179406.

It is an arithmetic number, because the mean of its divisors is an integer number (2204280).

Almost surely, 2^56105250 is an apocalyptic number.

56105250 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 56105250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70536960).

56105250 is an abundant number, since it is smaller than the sum of its proper divisors (84968670).

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

56105250 is a wasteful number, since it uses less digits than its factorization.

56105250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 56105250 is about 7490.3437838326. The cubic root of 56105250 is about 382.8257722734.

The spelling of 56105250 in words is "fifty-six million, one hundred five thousand, two hundred fifty".