56698747 has 4 divisors (see below), whose sum is σ = 64798576. Its totient is φ = 48598920.

The previous prime is 56698727. The next prime is 56698819. The reversal of 56698747 is 74789665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56698747 - 2²³ = 48310139 is a prime.

It is a super-2 number, since 2×56698747² = 6429495822740018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56698694 and 56698703.

It is not an unprimeable number, because it can be changed into a prime (56698727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049904 + ... + 4049917.

It is an arithmetic number, because the mean of its divisors is an integer number (16199644).

Almost surely, 2^56698747 is an apocalyptic number.

56698747 is a deficient number, since it is larger than the sum of its proper divisors (8099829).

56698747 is an equidigital number, since it uses as much as digits as its factorization.

56698747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099828.

The product of its digits is 2540160, while the sum is 52.

The square root of 56698747 is about 7529.8570371555. The cubic root of 56698747 is about 384.1709195535.

The spelling of 56698747 in words is "fifty-six million, six hundred ninety-eight thousand, seven hundred forty-seven".