554988994560 has 1824 divisors, whose sum is σ = 2638178629632. Its totient is φ = 104186511360.

The previous prime is 554988994523. The next prime is 554988994589. The reversal of 554988994560 is 65499889455.

554988994560 is a `hidden beast` number, since 5 + 5 + 4 + 9 + 88 + 99 + 456 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 11808276457 + ... + 11808276503.

Almost surely, 2^554988994560 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 554988994560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319089314816).

554988994560 is an abundant number, since it is smaller than the sum of its proper divisors (2083189635072).

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

554988994560 is a wasteful number, since it uses less digits than its factorization.

554988994560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 559872000, while the sum is 72.

The spelling of 554988994560 in words is "five hundred fifty-four billion, nine hundred eighty-eight million, nine hundred ninety-four thousand, five hundred sixty".