56377291 has 8 divisors (see below), whose sum is σ = 57383568. Its totient is φ = 55380000.

The previous prime is 56377283. The next prime is 56377309. The reversal of 56377291 is 19277365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56377291 - 2³ = 56377283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56377261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11101 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (7172946).

Almost surely, 2^56377291 is an apocalyptic number.

56377291 is a deficient number, since it is larger than the sum of its proper divisors (1006277).

56377291 is a wasteful number, since it uses less digits than its factorization.

56377291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493.

The product of its digits is 79380, while the sum is 40.

The square root of 56377291 is about 7508.4812712026. The cubic root of 56377291 is about 383.4435185879.

The spelling of 56377291 in words is "fifty-six million, three hundred seventy-seven thousand, two hundred ninety-one".