56377128 has 32 divisors (see below), whose sum is σ = 144223200. Its totient is φ = 18355008.

The previous prime is 56377121. The next prime is 56377133. The reversal of 56377128 is 82177365.

It is not an unprimeable number, because it can be changed into a prime (56377121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26283 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (4506975).

Almost surely, 2^56377128 is an apocalyptic number.

It is an amenable number.

56377128 is an abundant number, since it is smaller than the sum of its proper divisors (87846072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56377128 is a wasteful number, since it uses less digits than its factorization.

56377128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54681 (or 54677 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 56377128 is about 7508.4704168026. The cubic root of 56377128 is about 383.4431490458.

The spelling of 56377128 in words is "fifty-six million, three hundred seventy-seven thousand, one hundred twenty-eight".