56531746 has 8 divisors (see below), whose sum is σ = 88484544. Its totient is φ = 27036900.

The previous prime is 56531737. The next prime is 56531747. The reversal of 56531746 is 64713565.

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

It is not an unprimeable number, because it can be changed into a prime (56531747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614430 + ... + 614521.

It is an arithmetic number, because the mean of its divisors is an integer number (11060568).

Almost surely, 2^56531746 is an apocalyptic number.

56531746 is a deficient number, since it is larger than the sum of its proper divisors (31952798).

56531746 is a wasteful number, since it uses less digits than its factorization.

56531746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228976.

The product of its digits is 75600, while the sum is 37.

The square root of 56531746 is about 7518.7596051476. The cubic root of 56531746 is about 383.7933684678.

The spelling of 56531746 in words is "fifty-six million, five hundred thirty-one thousand, seven hundred forty-six".