49131392 has 16 divisors (see below), whose sum is σ = 97879200. Its totient is φ = 24565632.

The previous prime is 49131389. The next prime is 49131421. The reversal of 49131392 is 29313194.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191792 + ... + 192047.

It is an arithmetic number, because the mean of its divisors is an integer number (6117450).

Almost surely, 2^49131392 is an apocalyptic number.

It is an amenable number.

49131392 is a deficient number, since it is larger than the sum of its proper divisors (48747808).

49131392 is an equidigital number, since it uses as much as digits as its factorization.

49131392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383853 (or 383841 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 49131392 is about 7009.3788597849. The cubic root of 49131392 is about 366.2573562959.

The spelling of 49131392 in words is "forty-nine million, one hundred thirty-one thousand, three hundred ninety-two".