47555988 has 24 divisors (see below), whose sum is σ = 111777792. Its totient is φ = 15735744.

The previous prime is 47555983. The next prime is 47556001. The reversal of 47555988 is 88955574.

47555988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47555988² = 4523143989312288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47555988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47555983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12820 + ... + 16107.

It is an arithmetic number, because the mean of its divisors is an integer number (4657408).

Almost surely, 2^47555988 is an apocalyptic number.

It is an amenable number.

47555988 is an abundant number, since it is smaller than the sum of its proper divisors (64221804).

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

47555988 is a wasteful number, since it uses less digits than its factorization.

47555988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29071 (or 29069 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 51.

The square root of 47555988 is about 6896.0849762746. The cubic root of 47555988 is about 362.3000574757.

The spelling of 47555988 in words is "forty-seven million, five hundred fifty-five thousand, nine hundred eighty-eight".