49916121 has 4 divisors (see below), whose sum is σ = 66554832. Its totient is φ = 33277412.

The previous prime is 49916101. The next prime is 49916123. The reversal of 49916121 is 12161994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49916121 - 2⁹ = 49915609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49916123) 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, 8319351 + ... + 8319356.

It is an arithmetic number, because the mean of its divisors is an integer number (16638708).

Almost surely, 2^49916121 is an apocalyptic number.

It is an amenable number.

49916121 is a deficient number, since it is larger than the sum of its proper divisors (16638711).

49916121 is a wasteful number, since it uses less digits than its factorization.

49916121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638710.

The product of its digits is 3888, while the sum is 33.

The square root of 49916121 is about 7065.1341813160. The cubic root of 49916121 is about 368.1970259725.

The spelling of 49916121 in words is "forty-nine million, nine hundred sixteen thousand, one hundred twenty-one".