56987734 has 16 divisors (see below), whose sum is σ = 88796160. Its totient is φ = 27400680.

The previous prime is 56987713. The next prime is 56987741. The reversal of 56987734 is 43778965.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7287 + ... + 12925.

It is an arithmetic number, because the mean of its divisors is an integer number (5549760).

Almost surely, 2^56987734 is an apocalyptic number.

56987734 is a deficient number, since it is larger than the sum of its proper divisors (31808426).

56987734 is a wasteful number, since it uses less digits than its factorization.

56987734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835.

The product of its digits is 1270080, while the sum is 49.

The square root of 56987734 is about 7549.0220558692. The cubic root of 56987734 is about 384.8225054660.

The spelling of 56987734 in words is "fifty-six million, nine hundred eighty-seven thousand, seven hundred thirty-four".