49809992 has 16 divisors (see below), whose sum is σ = 95918460. Its totient is φ = 24231744.

The previous prime is 49809961. The next prime is 49810021. The reversal of 49809992 is 29990894.

It can be written as a sum of positive squares in 2 ways, for example, as 49758916 + 51076 = 7054^2 + 226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49809992.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83843 + ... + 84434.

Almost surely, 2^49809992 is an apocalyptic number.

It is an amenable number.

49809992 is a deficient number, since it is larger than the sum of its proper divisors (46108468).

49809992 is a wasteful number, since it uses less digits than its factorization.

49809992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168320 (or 168316 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 49809992 is about 7057.6194286742. The cubic root of 49809992 is about 367.9358938427.

The spelling of 49809992 in words is "forty-nine million, eight hundred nine thousand, nine hundred ninety-two".