49558664858 has 32 divisors (see below), whose sum is σ = 79055034240. Its totient is φ = 23234065920.

The previous prime is 49558664803. The next prime is 49558664863. The reversal of 49558664858 is 85846685594.

It is a super-2 number, since 2×49558664858² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12213566 + ... + 12217622.

It is an arithmetic number, because the mean of its divisors is an integer number (2470469820).

Almost surely, 2^49558664858 is an apocalyptic number.

49558664858 is a deficient number, since it is larger than the sum of its proper divisors (29496369382).

49558664858 is a wasteful number, since it uses less digits than its factorization.

49558664858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302.

The product of its digits is 331776000, while the sum is 68.

The spelling of 49558664858 in words is "forty-nine billion, five hundred fifty-eight million, six hundred sixty-four thousand, eight hundred fifty-eight".