56666692 has 6 divisors (see below), whose sum is σ = 99166718. Its totient is φ = 28333344.

The previous prime is 56666689. The next prime is 56666693. The reversal of 56666692 is 29666665.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 7750656 = 6994^2 + 2784^2 .

It is a super-2 number, since 2×56666692² = 6422227964445728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56666693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7083333 + ... + 7083340.

Almost surely, 2^56666692 is an apocalyptic number.

It is an amenable number.

56666692 is a deficient number, since it is larger than the sum of its proper divisors (42500026).

56666692 is a wasteful number, since it uses less digits than its factorization.

56666692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14166677 (or 14166675 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 56666692 is about 7527.7282097589. The cubic root of 56666692 is about 384.0985080752.

The spelling of 56666692 in words is "fifty-six million, six hundred sixty-six thousand, six hundred ninety-two".