49910121 has 16 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 33071184.

The previous prime is 49910117. The next prime is 49910123. The reversal of 49910121 is 12101994.

It is not a de Polignac number, because 49910121 - 2² = 49910117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (49910123) 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, 1026 + ... + 10043.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^49910121 is an apocalyptic number.

It is an amenable number.

49910121 is a deficient number, since it is larger than the sum of its proper divisors (24480279).

49910121 is a wasteful number, since it uses less digits than its factorization.

49910121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245 (or 11239 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 49910121 is about 7064.7095481697. The cubic root of 49910121 is about 368.1822727517.

The spelling of 49910121 in words is "forty-nine million, nine hundred ten thousand, one hundred twenty-one".