54557223630 has 128 divisors (see below), whose sum is σ = 161502501888. Its totient is φ = 11486057472.

The previous prime is 54557223613. The next prime is 54557223641. The reversal of 54557223630 is 3632275545.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1253514 + ... + 1296306.

It is an arithmetic number, because the mean of its divisors is an integer number (1261738296).

Almost surely, 2^54557223630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54557223630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80751250944).

54557223630 is an abundant number, since it is smaller than the sum of its proper divisors (106945278258).

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

54557223630 is a wasteful number, since it uses less digits than its factorization.

54557223630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43290.

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 54557223630 in words is "fifty-four billion, five hundred fifty-seven million, two hundred twenty-three thousand, six hundred thirty".