56690698 has 4 divisors (see below), whose sum is σ = 85036050. Its totient is φ = 28345348.

The previous prime is 56690693. The next prime is 56690707. The reversal of 56690698 is 89609665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89609665 = 5 ⋅17921933.

It can be written as a sum of positive squares in only one way, i.e., 56655729 + 34969 = 7527^2 + 187^2 .

It is not an unprimeable number, because it can be changed into a prime (56690693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14172673 + ... + 14172676.

Almost surely, 2^56690698 is an apocalyptic number.

56690698 is a deficient number, since it is larger than the sum of its proper divisors (28345352).

56690698 is a wasteful number, since it uses less digits than its factorization.

56690698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28345351.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 56690698 is about 7529.3225458868. The cubic root of 56690698 is about 384.1527396217.

The spelling of 56690698 in words is "fifty-six million, six hundred ninety thousand, six hundred ninety-eight".