56377680 has 40 divisors (see below), whose sum is σ = 174771552. Its totient is φ = 15033984.

The previous prime is 56377679. The next prime is 56377691. The reversal of 56377680 is 8677365.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117214 + ... + 117693.

Almost surely, 2^56377680 is an apocalyptic number.

It is an amenable number.

56377680 is an abundant number, since it is smaller than the sum of its proper divisors (118393872).

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

56377680 is a wasteful number, since it uses less digits than its factorization.

56377680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234923 (or 234917 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 56377680 is about 7508.5071751980. The cubic root of 56377680 is about 383.4444004985. Note that the first 4 decimals are identical.

The spelling of 56377680 in words is "fifty-six million, three hundred seventy-seven thousand, six hundred eighty".