49121958 has 16 divisors (see below), whose sum is σ = 99855216. Its totient is φ = 16105440.

The previous prime is 49121927. The next prime is 49121971. The reversal of 49121958 is 85912194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66741 + ... + 67472.

It is an arithmetic number, because the mean of its divisors is an integer number (6240951).

Almost surely, 2^49121958 is an apocalyptic number.

49121958 is an abundant number, since it is smaller than the sum of its proper divisors (50733258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49121958 is a wasteful number, since it uses less digits than its factorization.

49121958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134279.

The product of its digits is 25920, while the sum is 39.

The square root of 49121958 is about 7008.7058719852. The cubic root of 49121958 is about 366.2339124044.

The spelling of 49121958 in words is "forty-nine million, one hundred twenty-one thousand, nine hundred fifty-eight".