47557608 has 128 divisors (see below), whose sum is σ = 146534400. Its totient is φ = 12559104.

The previous prime is 47557607. The next prime is 47557621. The reversal of 47557608 is 80675574.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 47557608.

It is not an unprimeable number, because it can be changed into a prime (47557603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149866 + ... + 150182.

It is an arithmetic number, because the mean of its divisors is an integer number (1144800).

Almost surely, 2^47557608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47557608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73267200).

47557608 is an abundant number, since it is smaller than the sum of its proper divisors (98976792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47557608 is a wasteful number, since it uses less digits than its factorization.

47557608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 47557608 is about 6896.2024332237. The cubic root of 47557608 is about 362.3041713595.

The spelling of 47557608 in words is "forty-seven million, five hundred fifty-seven thousand, six hundred eight".