56727797 has 4 divisors (see below), whose sum is σ = 64831776. Its totient is φ = 48623820.

The previous prime is 56727791. The next prime is 56727809. The reversal of 56727797 is 79772765.

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 not a de Polignac number, because 56727797 - 2²² = 52533493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56727791) 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, 4051979 + ... + 4051992.

It is an arithmetic number, because the mean of its divisors is an integer number (16207944).

Almost surely, 2^56727797 is an apocalyptic number.

It is an amenable number.

56727797 is a deficient number, since it is larger than the sum of its proper divisors (8103979).

56727797 is an equidigital number, since it uses as much as digits as its factorization.

56727797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103978.

The product of its digits is 1296540, while the sum is 50.

The square root of 56727797 is about 7531.7857776227. The cubic root of 56727797 is about 384.2365192381.

The spelling of 56727797 in words is "fifty-six million, seven hundred twenty-seven thousand, seven hundred ninety-seven".