56774897 has 4 divisors (see below), whose sum is σ = 56863296. Its totient is φ = 56686500.

The previous prime is 56774891. The next prime is 56774911. The reversal of 56774897 is 79847765.

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 56774897 - 2¹⁶ = 56709361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56774891) 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, 43229 + ... + 44522.

It is an arithmetic number, because the mean of its divisors is an integer number (14215824).

Almost surely, 2^56774897 is an apocalyptic number.

It is an amenable number.

56774897 is a deficient number, since it is larger than the sum of its proper divisors (88399).

56774897 is an equidigital number, since it uses as much as digits as its factorization.

56774897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88398.

The product of its digits is 2963520, while the sum is 53.

The square root of 56774897 is about 7534.9118773878. The cubic root of 56774897 is about 384.3428312206.

The spelling of 56774897 in words is "fifty-six million, seven hundred seventy-four thousand, eight hundred ninety-seven".