49985523 has 24 divisors (see below), whose sum is σ = 86860800. Its totient is φ = 27059184.

The previous prime is 49985521. The next prime is 49985527. The reversal of 49985523 is 32558994.

49985523 is a `hidden beast` number, since 4 + 9 + 98 + 552 + 3 = 666.

It is not a de Polignac number, because 49985523 - 2¹ = 49985521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49985521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19683 + ... + 22076.

It is an arithmetic number, because the mean of its divisors is an integer number (3619200).

Almost surely, 2^49985523 is an apocalyptic number.

49985523 is a deficient number, since it is larger than the sum of its proper divisors (36875277).

49985523 is a wasteful number, since it uses less digits than its factorization.

49985523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41791 (or 41788 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 49985523 is about 7070.0440592687. The cubic root of 49985523 is about 368.3675906159.

The spelling of 49985523 in words is "forty-nine million, nine hundred eighty-five thousand, five hundred twenty-three".