554887997136 has 180 divisors, whose sum is σ = 1708036117060. Its totient is φ = 168038323200.

The previous prime is 554887997129. The next prime is 554887997159. The reversal of 554887997136 is 631799788455.

554887997136 is a `hidden beast` number, since 5 + 5 + 488 + 7 + 9 + 9 + 7 + 136 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187797422736 + 367090574400 = 433356^2 + 605880^2 .

It is a super-3 number, since 3×554887997136³ (a number of 36 digits) contains 333 as substring.

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 35 ways as a sum of consecutive naturals, for example, 29071116 + ... + 29090196.

Almost surely, 2^554887997136 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 554887997136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854018058530).

554887997136 is an abundant number, since it is smaller than the sum of its proper divisors (1153148119924).

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

554887997136 is a wasteful number, since it uses less digits than its factorization.

554887997136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20786 (or 20766 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 554887997136 in words is "five hundred fifty-four billion, eight hundred eighty-seven million, nine hundred ninety-seven thousand, one hundred thirty-six".