50557149 has 16 divisors (see below), whose sum is σ = 75110400. Its totient is φ = 33609888.

The previous prime is 50557139. The next prime is 50557153. The reversal of 50557149 is 94175505.

50557149 is a `hidden beast` number, since 505 + 5 + 7 + 149 = 666.

50557149 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 50557149 - 2⁷ = 50557021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50557139) 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 15 ways as a sum of consecutive naturals, for example, 7897 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (4694400).

Almost surely, 2^50557149 is an apocalyptic number.

It is an amenable number.

50557149 is a deficient number, since it is larger than the sum of its proper divisors (24553251).

50557149 is a wasteful number, since it uses less digits than its factorization.

50557149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 50557149 is about 7110.3550544259. The cubic root of 50557149 is about 369.7664681679.

The spelling of 50557149 in words is "fifty million, five hundred fifty-seven thousand, one hundred forty-nine".