56376789 has 32 divisors (see below), whose sum is σ = 89959680. Its totient is φ = 30753216.

The previous prime is 56376787. The next prime is 56376809. The reversal of 56376789 is 98767365.

It is not a de Polignac number, because 56376789 - 2¹ = 56376787 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56376787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063687 + ... + 1063739.

It is an arithmetic number, because the mean of its divisors is an integer number (2811240).

Almost surely, 2^56376789 is an apocalyptic number.

It is an amenable number.

56376789 is a deficient number, since it is larger than the sum of its proper divisors (33582891).

56376789 is an frugal number, since it uses more digits than its factorization.

56376789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 100 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 56376789 is about 7508.4478422641. The cubic root of 56376789 is about 383.4423804865.

The spelling of 56376789 in words is "fifty-six million, three hundred seventy-six thousand, seven hundred eighty-nine".