56889377 has 4 divisors (see below), whose sum is σ = 56904960. Its totient is φ = 56873796.

The previous prime is 56889367. The next prime is 56889379. The reversal of 56889377 is 77398865.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56889377 - 2⁸ = 56889121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56889379) 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, 968 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (14226240).

Almost surely, 2^56889377 is an apocalyptic number.

It is an amenable number.

56889377 is a deficient number, since it is larger than the sum of its proper divisors (15583).

56889377 is an equidigital number, since it uses as much as digits as its factorization.

56889377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15582.

The product of its digits is 2540160, while the sum is 53.

The square root of 56889377 is about 7542.5046900880. The cubic root of 56889377 is about 384.6009853779.

The spelling of 56889377 in words is "fifty-six million, eight hundred eighty-nine thousand, three hundred seventy-seven".