56635215 has 32 divisors (see below), whose sum is σ = 111530496. Its totient is φ = 23898240.

The previous prime is 56635199. The next prime is 56635253. The reversal of 56635215 is 51253665.

It is not a de Polignac number, because 56635215 - 2⁴ = 56635199 is a prime.

It is a congruent number.

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, 19381 + ... + 22110.

It is an arithmetic number, because the mean of its divisors is an integer number (3485328).

Almost surely, 2^56635215 is an apocalyptic number.

56635215 is a deficient number, since it is larger than the sum of its proper divisors (54895281).

56635215 is a wasteful number, since it uses less digits than its factorization.

56635215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41519.

The product of its digits is 27000, while the sum is 33.

The square root of 56635215 is about 7525.6371823255. The cubic root of 56635215 is about 384.0273757067.

It can be divided in two parts, 5663 and 5215, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 56635215 in words is "fifty-six million, six hundred thirty-five thousand, two hundred fifteen".