56541668 has 6 divisors (see below), whose sum is σ = 98947926. Its totient is φ = 28270832.

The previous prime is 56541649. The next prime is 56541707. The reversal of 56541668 is 86614565.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 26708224 = 5462^2 + 5168^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7067705 + ... + 7067712.

It is an arithmetic number, because the mean of its divisors is an integer number (16491321).

Almost surely, 2^56541668 is an apocalyptic number.

It is an amenable number.

56541668 is a deficient number, since it is larger than the sum of its proper divisors (42406258).

56541668 is a wasteful number, since it uses less digits than its factorization.

56541668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135421 (or 14135419 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 56541668 is about 7519.4193924797. The cubic root of 56541668 is about 383.8158206020.

The spelling of 56541668 in words is "fifty-six million, five hundred forty-one thousand, six hundred sixty-eight".