56902144 has 80 divisors (see below), whose sum is σ = 125116992. Its totient is φ = 25694208.

The previous prime is 56902129. The next prime is 56902177. The reversal of 56902144 is 44120965.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552397 + ... + 552499.

Almost surely, 2^56902144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56902144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62558496).

56902144 is an abundant number, since it is smaller than the sum of its proper divisors (68214848).

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

56902144 is a wasteful number, since it uses less digits than its factorization.

56902144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56902144 is about 7543.3509795051. The cubic root of 56902144 is about 384.6297536868.

The spelling of 56902144 in words is "fifty-six million, nine hundred two thousand, one hundred forty-four".