49158916 has 12 divisors (see below), whose sum is σ = 86265088. Its totient is φ = 24511752.

The previous prime is 49158911. The next prime is 49158961. The reversal of 49158916 is 61985194.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49158911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15276 + ... + 18211.

Almost surely, 2^49158916 is an apocalyptic number.

It is an amenable number.

49158916 is a deficient number, since it is larger than the sum of its proper divisors (37106172).

49158916 is a wasteful number, since it uses less digits than its factorization.

49158916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33858 (or 33856 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 49158916 is about 7011.3419542909. The cubic root of 49158916 is about 366.3257374617.

It can be divided in two parts, 4915 and 8916, that added together give a palindrome (13831).

The spelling of 49158916 in words is "forty-nine million, one hundred fifty-eight thousand, nine hundred sixteen".