56661076 has 6 divisors (see below), whose sum is σ = 99156890. Its totient is φ = 28330536.

The previous prime is 56661061. The next prime is 56661079. The reversal of 56661076 is 67016665.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 1752976 = 7410^2 + 1324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56661079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7082631 + ... + 7082638.

Almost surely, 2^56661076 is an apocalyptic number.

It is an amenable number.

56661076 is a deficient number, since it is larger than the sum of its proper divisors (42495814).

56661076 is a wasteful number, since it uses less digits than its factorization.

56661076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165273 (or 14165271 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 56661076 is about 7527.3551796099. The cubic root of 56661076 is about 384.0858188545.

The spelling of 56661076 in words is "fifty-six million, six hundred sixty-one thousand, seventy-six".