56902215 has 8 divisors (see below), whose sum is σ = 91043568. Its totient is φ = 30347840.

The previous prime is 56902177. The next prime is 56902217. The reversal of 56902215 is 51220965.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56902215 - 2¹⁰ = 56901191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56902217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896726 + ... + 1896755.

It is an arithmetic number, because the mean of its divisors is an integer number (11380446).

Almost surely, 2^56902215 is an apocalyptic number.

56902215 is a deficient number, since it is larger than the sum of its proper divisors (34141353).

56902215 is a wasteful number, since it uses less digits than its factorization.

56902215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793489.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56902215 is about 7543.3556856349. The cubic root of 56902215 is about 384.6299136614.

The spelling of 56902215 in words is "fifty-six million, nine hundred two thousand, two hundred fifteen".