54312809472 has 308 divisors, whose sum is σ = 168107107456. Its totient is φ = 17512796160.

The previous prime is 54312809407. The next prime is 54312809479. The reversal of 54312809472 is 27490821345.

54312809472 is a `hidden beast` number, since 54 + 3 + 128 + 0 + 9 + 472 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54312809479) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 23140203 + ... + 23142549.

Almost surely, 2^54312809472 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 54312809472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84053553728).

54312809472 is an abundant number, since it is smaller than the sum of its proper divisors (113794297984).

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

54312809472 is an equidigital number, since it uses as much as digits as its factorization.

54312809472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 54312809472 in words is "fifty-four billion, three hundred twelve million, eight hundred nine thousand, four hundred seventy-two".