56311662 has 64 divisors (see below), whose sum is σ = 127277568. Its totient is φ = 16464000.

The previous prime is 56311637. The next prime is 56311679. The reversal of 56311662 is 26611365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285748 + ... + 285944.

It is an arithmetic number, because the mean of its divisors is an integer number (1988712).

Almost surely, 2^56311662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56311662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63638784).

56311662 is an abundant number, since it is smaller than the sum of its proper divisors (70965906).

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

56311662 is a wasteful number, since it uses less digits than its factorization.

56311662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its digits is 6480, while the sum is 30.

The square root of 56311662 is about 7504.1096740386. The cubic root of 56311662 is about 383.2946715051.

The spelling of 56311662 in words is "fifty-six million, three hundred eleven thousand, six hundred sixty-two".