49011858 has 48 divisors (see below), whose sum is σ = 126704160. Its totient is φ = 14002632.

The previous prime is 49011779. The next prime is 49011877. The reversal of 49011858 is 85811094.

49011858 is a `hidden beast` number, since 490 + 118 + 58 = 666.

It is a super-2 number, since 2×49011858² = 4804324449224328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6616 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (2639670).

Almost surely, 2^49011858 is an apocalyptic number.

49011858 is an abundant number, since it is smaller than the sum of its proper divisors (77692302).

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

49011858 is a wasteful number, since it uses less digits than its factorization.

49011858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548 (or 18535 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 49011858 is about 7000.8469487627. The cubic root of 49011858 is about 365.9600870209.

The spelling of 49011858 in words is "forty-nine million, eleven thousand, eight hundred fifty-eight".