47009557 has 8 divisors (see below), whose sum is σ = 53925632. Its totient is φ = 40143600.

The previous prime is 47009549. The next prime is 47009579. The reversal of 47009557 is 75590074.

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

It is not a de Polignac number, because 47009557 - 2³ = 47009549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47009507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10494 + ... + 14287.

It is an arithmetic number, because the mean of its divisors is an integer number (6740704).

Almost surely, 2^47009557 is an apocalyptic number.

It is an amenable number.

47009557 is a deficient number, since it is larger than the sum of its proper divisors (6916075).

47009557 is a wasteful number, since it uses less digits than its factorization.

47009557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25059.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 47009557 is about 6856.3515808336. The cubic root of 47009557 is about 360.9070670305.

The spelling of 47009557 in words is "forty-seven million, nine thousand, five hundred fifty-seven".