56215200 has 144 divisors (see below), whose sum is σ = 186550560. Its totient is φ = 14699520.

The previous prime is 56215189. The next prime is 56215213. The reversal of 56215200 is 251265.

It is a super-2 number, since 2×56215200² = 6320297422080000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141402 + ... + 141798.

It is an arithmetic number, because the mean of its divisors is an integer number (1295490).

Almost surely, 2^56215200 is an apocalyptic number.

56215200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56215200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93275280).

56215200 is an abundant number, since it is smaller than the sum of its proper divisors (130335360).

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

56215200 is a wasteful number, since it uses less digits than its factorization.

56215200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 56215200 is about 7497.6796410623. The cubic root of 56215200 is about 383.0756848795.

Adding to 56215200 its reverse (251265), we get a palindrome (56466465).

The spelling of 56215200 in words is "fifty-six million, two hundred fifteen thousand, two hundred".