49731858 has 24 divisors (see below), whose sum is σ = 117548496. Its totient is φ = 15070200.

The previous prime is 49731853. The next prime is 49731881. The reversal of 49731858 is 85813794.

It is not an unprimeable number, because it can be changed into a prime (49731853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125388 + ... + 125783.

It is an arithmetic number, because the mean of its divisors is an integer number (4897854).

Almost surely, 2^49731858 is an apocalyptic number.

49731858 is an abundant number, since it is smaller than the sum of its proper divisors (67816638).

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

49731858 is a wasteful number, since it uses less digits than its factorization.

49731858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251190 (or 251187 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 49731858 is about 7052.0818202854. The cubic root of 49731858 is about 367.7434067064.

The spelling of 49731858 in words is "forty-nine million, seven hundred thirty-one thousand, eight hundred fifty-eight".