47521564 has 12 divisors (see below), whose sum is σ = 83599488. Its totient is φ = 23636000.

The previous prime is 47521553. The next prime is 47521571. The reversal of 47521564 is 46512574.

It is a congruent number.

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, 30337 + ... + 31864.

It is an arithmetic number, because the mean of its divisors is an integer number (6966624).

Almost surely, 2^47521564 is an apocalyptic number.

It is an amenable number.

47521564 is a deficient number, since it is larger than the sum of its proper divisors (36077924).

47521564 is a wasteful number, since it uses less digits than its factorization.

47521564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62396 (or 62394 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 47521564 is about 6893.5886155180. The cubic root of 47521564 is about 362.2126178899.

The spelling of 47521564 in words is "forty-seven million, five hundred twenty-one thousand, five hundred sixty-four".