56864558 has 8 divisors (see below), whose sum is σ = 90314352. Its totient is φ = 26759776.

The previous prime is 56864551. The next prime is 56864569. The reversal of 56864558 is 85546865.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56864551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836210 + ... + 836277.

It is an arithmetic number, because the mean of its divisors is an integer number (11289294).

Almost surely, 2^56864558 is an apocalyptic number.

56864558 is a deficient number, since it is larger than the sum of its proper divisors (33449794).

56864558 is a wasteful number, since it uses less digits than its factorization.

56864558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672506.

The product of its digits is 1152000, while the sum is 47.

The square root of 56864558 is about 7540.8592348618. The cubic root of 56864558 is about 384.5450475747.

The spelling of 56864558 in words is "fifty-six million, eight hundred sixty-four thousand, five hundred fifty-eight".