47522138 has 8 divisors (see below), whose sum is σ = 72941088. Its totient is φ = 23208444.

The previous prime is 47522129. The next prime is 47522141. The reversal of 47522138 is 83122574.

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

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, 276206 + ... + 276377.

It is an arithmetic number, because the mean of its divisors is an integer number (9117636).

Almost surely, 2^47522138 is an apocalyptic number.

47522138 is a deficient number, since it is larger than the sum of its proper divisors (25418950).

47522138 is a wasteful number, since it uses less digits than its factorization.

47522138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552628.

The product of its digits is 13440, while the sum is 32.

The square root of 47522138 is about 6893.6302482799. The cubic root of 47522138 is about 362.2140762398.

The spelling of 47522138 in words is "forty-seven million, five hundred twenty-two thousand, one hundred thirty-eight".