47791522 has 16 divisors (see below), whose sum is σ = 78354432. Its totient is φ = 21764160.

The previous prime is 47791519. The next prime is 47791543. The reversal of 47791522 is 22519774.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21618 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (4897152).

Almost surely, 2^47791522 is an apocalyptic number.

47791522 is a deficient number, since it is larger than the sum of its proper divisors (30562910).

47791522 is a wasteful number, since it uses less digits than its factorization.

47791522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45393.

The product of its digits is 35280, while the sum is 37.

The square root of 47791522 is about 6913.1412541622. The cubic root of 47791522 is about 362.8972026635.

The spelling of 47791522 in words is "forty-seven million, seven hundred ninety-one thousand, five hundred twenty-two".