56798997 has 4 divisors (see below), whose sum is σ = 75732000. Its totient is φ = 37865996.

The previous prime is 56798993. The next prime is 56799031. The reversal of 56798997 is 79989765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56798997 - 2² = 56798993 is a prime.

It is a super-2 number, since 2×56798997² = 6452252120412018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56798997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56798993) 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, 9466497 + ... + 9466502.

It is an arithmetic number, because the mean of its divisors is an integer number (18933000).

Almost surely, 2^56798997 is an apocalyptic number.

It is an amenable number.

56798997 is a deficient number, since it is larger than the sum of its proper divisors (18933003).

56798997 is a wasteful number, since it uses less digits than its factorization.

56798997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18933002.

The product of its digits is 8573040, while the sum is 60.

The square root of 56798997 is about 7536.5109301321. The cubic root of 56798997 is about 384.3972059086.

The spelling of 56798997 in words is "fifty-six million, seven hundred ninety-eight thousand, nine hundred ninety-seven".