49558999 has 16 divisors (see below), whose sum is σ = 58893120. Its totient is φ = 40803840.

The previous prime is 49558969. The next prime is 49559033. The reversal of 49558999 is 99985594.

It is not a de Polignac number, because 49558999 - 2⁵ = 49558967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49558909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48417 + ... + 49429.

It is an arithmetic number, because the mean of its divisors is an integer number (3680820).

Almost surely, 2^49558999 is an apocalyptic number.

49558999 is a deficient number, since it is larger than the sum of its proper divisors (9334121).

49558999 is a wasteful number, since it uses less digits than its factorization.

49558999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290.

The product of its digits is 5248800, while the sum is 58.

The square root of 49558999 is about 7039.8152674626. The cubic root of 49558999 is about 367.3168421078.

The spelling of 49558999 in words is "forty-nine million, five hundred fifty-eight thousand, nine hundred ninety-nine".