49929992 has 32 divisors (see below), whose sum is σ = 107281920. Its totient is φ = 21340800.

The previous prime is 49929991. The next prime is 49930021. The reversal of 49929992 is 29992994.

It is a super-2 number, since 2×49929992² = 4986008202240128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49929991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24617 + ... + 26567.

It is an arithmetic number, because the mean of its divisors is an integer number (3352560).

Almost surely, 2^49929992 is an apocalyptic number.

It is an amenable number.

49929992 is an abundant number, since it is smaller than the sum of its proper divisors (57351928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49929992 is a wasteful number, since it uses less digits than its factorization.

49929992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2417 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The square root of 49929992 is about 7066.1157646900. The cubic root of 49929992 is about 368.2311284351.

The spelling of 49929992 in words is "forty-nine million, nine hundred twenty-nine thousand, nine hundred ninety-two".