56204215 has 16 divisors (see below), whose sum is σ = 68492160. Its totient is φ = 44271360.

The previous prime is 56204201. The next prime is 56204219. The reversal of 56204215 is 51240265.

It is not a de Polignac number, because 56204215 - 2¹⁵ = 56171447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56204215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56204219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152962 + ... + 153328.

It is an arithmetic number, because the mean of its divisors is an integer number (4280760).

Almost surely, 2^56204215 is an apocalyptic number.

56204215 is a deficient number, since it is larger than the sum of its proper divisors (12287945).

56204215 is a wasteful number, since it uses less digits than its factorization.

56204215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 56204215 is about 7496.9470452978. The cubic root of 56204215 is about 383.0507310086.

The spelling of 56204215 in words is "fifty-six million, two hundred four thousand, two hundred fifteen".