54531181660 has 48 divisors (see below), whose sum is σ = 117164880000. Its totient is φ = 21311273984.

The previous prime is 54531181657. The next prime is 54531181759. The reversal of 54531181660 is 6618113545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145716 + ... + 360964.

It is an arithmetic number, because the mean of its divisors is an integer number (2440935000).

Almost surely, 2^54531181660 is an apocalyptic number.

It is an amenable number.

54531181660 is an abundant number, since it is smaller than the sum of its proper divisors (62633698340).

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

54531181660 is a wasteful number, since it uses less digits than its factorization.

54531181660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215550 (or 215548 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 54531181660 in words is "fifty-four billion, five hundred thirty-one million, one hundred eighty-one thousand, six hundred sixty".