47521959 has 4 divisors (see below), whose sum is σ = 63362616. Its totient is φ = 31681304.

The previous prime is 47521951. The next prime is 47521967. The reversal of 47521959 is 95912574.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47521951) and next prime (47521967).

It is a cyclic number.

It is not a de Polignac number, because 47521959 - 2³ = 47521951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47521959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47521951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7920324 + ... + 7920329.

It is an arithmetic number, because the mean of its divisors is an integer number (15840654).

Almost surely, 2^47521959 is an apocalyptic number.

47521959 is a deficient number, since it is larger than the sum of its proper divisors (15840657).

47521959 is a wasteful number, since it uses less digits than its factorization.

47521959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15840656.

The product of its digits is 113400, while the sum is 42.

The square root of 47521959 is about 6893.6172652679. The cubic root of 47521959 is about 362.2136214594.

The spelling of 47521959 in words is "forty-seven million, five hundred twenty-one thousand, nine hundred fifty-nine".