49555121 has 12 divisors (see below), whose sum is σ = 62886960. Its totient is φ = 38613960.

The previous prime is 49555091. The next prime is 49555147. The reversal of 49555121 is 12155594.

49555121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49555121 - 2¹⁴ = 49538737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49555151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45431 + ... + 46508.

It is an arithmetic number, because the mean of its divisors is an integer number (5240580).

Almost surely, 2^49555121 is an apocalyptic number.

It is an amenable number.

49555121 is a deficient number, since it is larger than the sum of its proper divisors (13331839).

49555121 is a wasteful number, since it uses less digits than its factorization.

49555121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91964 (or 91957 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 49555121 is about 7039.5398287104. The cubic root of 49555121 is about 367.3072609897.

The spelling of 49555121 in words is "forty-nine million, five hundred fifty-five thousand, one hundred twenty-one".