555404138433 has 12 divisors (see below), whose sum is σ = 802492179840. Its totient is φ = 370157845176.

The previous prime is 555404138431. The next prime is 555404138453. The reversal of 555404138433 is 334831404555.

555404138433 is a `hidden beast` number, since 5 + 5 + 540 + 41 + 38 + 4 + 33 = 666.

It is not a de Polignac number, because 555404138433 - 2¹ = 555404138431 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (555404138431) 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, 9266841 + ... + 9326582.

It is an arithmetic number, because the mean of its divisors is an integer number (66874348320).

Almost surely, 2^555404138433 is an apocalyptic number.

It is an amenable number.

555404138433 is a deficient number, since it is larger than the sum of its proper divisors (247088041407).

555404138433 is a wasteful number, since it uses less digits than its factorization.

555404138433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18596748 (or 18596745 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 555404138433 in words is "five hundred fifty-five billion, four hundred four million, one hundred thirty-eight thousand, four hundred thirty-three".