56287704 has 64 divisors (see below), whose sum is σ = 155105280. Its totient is φ = 16880000.

The previous prime is 56287703. The next prime is 56287727. The reversal of 56287704 is 40778265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56287703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25609 + ... + 27719.

It is an arithmetic number, because the mean of its divisors is an integer number (2423520).

Almost surely, 2^56287704 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 56287704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77552640).

56287704 is an abundant number, since it is smaller than the sum of its proper divisors (98817576).

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

56287704 is a wasteful number, since it uses less digits than its factorization.

56287704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 56287704 is about 7502.5131789288. The cubic root of 56287704 is about 383.2403057602.

The spelling of 56287704 in words is "fifty-six million, two hundred eighty-seven thousand, seven hundred four".