49991522 has 8 divisors (see below), whose sum is σ = 85699776. Its totient is φ = 21424932.

The previous prime is 49991483. The next prime is 49991531. The reversal of 49991522 is 22519994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49991522.

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, 1785398 + ... + 1785425.

It is an arithmetic number, because the mean of its divisors is an integer number (10712472).

Almost surely, 2^49991522 is an apocalyptic number.

49991522 is a deficient number, since it is larger than the sum of its proper divisors (35708254).

49991522 is a wasteful number, since it uses less digits than its factorization.

49991522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570832.

The product of its digits is 58320, while the sum is 41.

The square root of 49991522 is about 7070.4683013221. The cubic root of 49991522 is about 368.3823265410.

The spelling of 49991522 in words is "forty-nine million, nine hundred ninety-one thousand, five hundred twenty-two".