555878920032 has 72 divisors (see below), whose sum is σ = 1585184262480. Its totient is φ = 184776802560.

The previous prime is 555878920021. The next prime is 555878920039. The reversal of 555878920032 is 230029878555.

555878920032 is a `hidden beast` number, since 5 + 5 + 587 + 8 + 9 + 20 + 0 + 32 = 666.

555878920032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555878920039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2584819 + ... + 2791602.

It is an arithmetic number, because the mean of its divisors is an integer number (22016448090).

Almost surely, 2^555878920032 is an apocalyptic number.

It is an amenable number.

555878920032 is an abundant number, since it is smaller than the sum of its proper divisors (1029305342448).

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

555878920032 is a wasteful number, since it uses less digits than its factorization.

555878920032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376796 (or 5376785 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 555878920032 in words is "five hundred fifty-five billion, eight hundred seventy-eight million, nine hundred twenty thousand, thirty-two".