47755988 has 36 divisors (see below), whose sum is σ = 97866720. Its totient is φ = 20330352.

The previous prime is 47755979. The next prime is 47755991. The reversal of 47755988 is 88955774.

47755988 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 2×47755988² = 4561268779712288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 32003 + ... + 33461.

It is an arithmetic number, because the mean of its divisors is an integer number (2718520).

Almost surely, 2^47755988 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 47755988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48933360).

47755988 is an abundant number, since it is smaller than the sum of its proper divisors (50110732).

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

47755988 is a wasteful number, since it uses less digits than its factorization.

47755988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1635 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

The square root of 47755988 is about 6910.5707434336. The cubic root of 47755988 is about 362.8072398003.

It can be divided in two parts, 477 and 55988, that added together give a palindrome (56465).

The spelling of 47755988 in words is "forty-seven million, seven hundred fifty-five thousand, nine hundred eighty-eight".