47555790 has 32 divisors (see below), whose sum is σ = 114358176. Its totient is φ = 12656640.

The previous prime is 47555773. The next prime is 47555791. The reversal of 47555790 is 9755574.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47555791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17994 + ... + 20466.

It is an arithmetic number, because the mean of its divisors is an integer number (3573693).

Almost surely, 2^47555790 is an apocalyptic number.

47555790 is an abundant number, since it is smaller than the sum of its proper divisors (66802386).

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

47555790 is a wasteful number, since it uses less digits than its factorization.

47555790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 47555790 is about 6896.0706202880. The cubic root of 47555790 is about 362.2995546613.

It can be divided in two parts, 475 and 55790, that added together give a palindrome (56265).

The spelling of 47555790 in words is "forty-seven million, five hundred fifty-five thousand, seven hundred ninety".