54859501568 has 104 divisors (see below), whose sum is σ = 116478968760. Its totient is φ = 25745162240.

The previous prime is 54859501531. The next prime is 54859501597. The reversal of 54859501568 is 86510595845.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4194893824 + 50664607744 = 64768^2 + 225088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32099498 + ... + 32101206.

Almost surely, 2^54859501568 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 54859501568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58239484380).

54859501568 is an abundant number, since it is smaller than the sum of its proper divisors (61619467192).

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

54859501568 is a wasteful number, since it uses less digits than its factorization.

54859501568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 56.

The spelling of 54859501568 in words is "fifty-four billion, eight hundred fifty-nine million, five hundred one thousand, five hundred sixty-eight".