56458779 has 8 divisors (see below), whose sum is σ = 81069072. Its totient is φ = 34743840.

The previous prime is 56458771. The next prime is 56458807. The reversal of 56458779 is 97785465.

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

It is not a de Polignac number, because 56458779 - 2³ = 56458771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56458771) 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, 723792 + ... + 723869.

It is an arithmetic number, because the mean of its divisors is an integer number (10133634).

Almost surely, 2^56458779 is an apocalyptic number.

56458779 is a deficient number, since it is larger than the sum of its proper divisors (24610293).

56458779 is a wasteful number, since it uses less digits than its factorization.

56458779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447677.

The product of its digits is 2116800, while the sum is 51.

The square root of 56458779 is about 7513.9057087509. The cubic root of 56458779 is about 383.6281733343.

The spelling of 56458779 in words is "fifty-six million, four hundred fifty-eight thousand, seven hundred seventy-nine".