49478992 has 20 divisors (see below), whose sum is σ = 95976000. Its totient is φ = 24711008.

The previous prime is 49478981. The next prime is 49478999. The reversal of 49478992 is 29987494.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49478999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22953 + ... + 25015.

It is an arithmetic number, because the mean of its divisors is an integer number (4798800).

Almost surely, 2^49478992 is an apocalyptic number.

It is an amenable number.

49478992 is a deficient number, since it is larger than the sum of its proper divisors (46497008).

49478992 is a wasteful number, since it uses less digits than its factorization.

49478992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 3564 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 49478992 is about 7034.1305077458. The cubic root of 49478992 is about 367.1190727973.

The spelling of 49478992 in words is "forty-nine million, four hundred seventy-eight thousand, nine hundred ninety-two".