555378687792 has 240 divisors, whose sum is σ = 1662902317440. Its totient is φ = 172425369600.

The previous prime is 555378687779. The next prime is 555378687793. The reversal of 555378687792 is 297786873555.

555378687792 is a `hidden beast` number, since 5 + 5 + 537 + 8 + 6 + 87 + 7 + 9 + 2 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 555378687792.

It is not an unprimeable number, because it can be changed into a prime (555378687793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112627567 + ... + 112632497.

It is an arithmetic number, because the mean of its divisors is an integer number (6928759656).

Almost surely, 2^555378687792 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 555378687792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831451158720).

555378687792 is an abundant number, since it is smaller than the sum of its proper divisors (1107523629648).

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

555378687792 is a wasteful number, since it uses less digits than its factorization.

555378687792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432 (or 5423 counting only the distinct ones).

The product of its digits is 889056000, while the sum is 72.

The spelling of 555378687792 in words is "five hundred fifty-five billion, three hundred seventy-eight million, six hundred eighty-seven thousand, seven hundred ninety-two".