55547570232 has 384 divisors, whose sum is σ = 204757862400. Its totient is φ = 13667875200.

The previous prime is 55547570203. The next prime is 55547570257. The reversal of 55547570232 is 23207574555.

55547570232 is a `hidden beast` number, since 5 + 5 + 5 + 47 + 570 + 2 + 32 = 666.

55547570232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2834307 + ... + 2853837.

It is an arithmetic number, because the mean of its divisors is an integer number (533223600).

Almost surely, 2^55547570232 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 55547570232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102378931200).

55547570232 is an abundant number, since it is smaller than the sum of its proper divisors (149210292168).

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

55547570232 is a wasteful number, since it uses less digits than its factorization.

55547570232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19589 (or 19573 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

The spelling of 55547570232 in words is "fifty-five billion, five hundred forty-seven million, five hundred seventy thousand, two hundred thirty-two".