49992985 has 24 divisors (see below), whose sum is σ = 70096320. Its totient is φ = 34128864.

The previous prime is 49992973. The next prime is 49992989. The reversal of 49992985 is 58929994.

It is not a de Polignac number, because 49992985 - 2¹³ = 49984793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49992989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102412 + ... + 102898.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^49992985 is an apocalyptic number.

It is an amenable number.

49992985 is a deficient number, since it is larger than the sum of its proper divisors (20103335).

49992985 is a wasteful number, since it uses less digits than its factorization.

49992985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 918 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 55.

The square root of 49992985 is about 7070.5717590588. The cubic root of 49992985 is about 368.3859200709.

The spelling of 49992985 in words is "forty-nine million, nine hundred ninety-two thousand, nine hundred eighty-five".