56215108 has 12 divisors (see below), whose sum is σ = 101768940. Its totient is φ = 27138272.

The previous prime is 56215097. The next prime is 56215109. The reversal of 56215108 is 80151265.

It can be written as a sum of positive squares in 2 ways, for example, as 36216324 + 19998784 = 6018^2 + 4472^2 .

It is not an unprimeable number, because it can be changed into a prime (56215109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242191 + ... + 242422.

It is an arithmetic number, because the mean of its divisors is an integer number (8480745).

Almost surely, 2^56215108 is an apocalyptic number.

56215108 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

56215108 is a deficient number, since it is larger than the sum of its proper divisors (45553832).

56215108 is a wasteful number, since it uses less digits than its factorization.

56215108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484646 (or 484644 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 56215108 is about 7497.6735058283. The cubic root of 56215108 is about 383.0754759029.

The spelling of 56215108 in words is "fifty-six million, two hundred fifteen thousand, one hundred eight".