555791399397 has 24 divisors (see below), whose sum is σ = 864678211488. Its totient is φ = 341980452000.

The previous prime is 555791399333. The next prime is 555791399411. The reversal of 555791399397 is 793993197555.

555791399397 is a `hidden beast` number, since 5 + 5 + 579 + 13 + 9 + 9 + 39 + 7 = 666.

It is not a de Polignac number, because 555791399397 - 2⁶ = 555791399333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555791399197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591022 + ... + 1208672.

It is an arithmetic number, because the mean of its divisors is an integer number (36028258812).

Almost surely, 2^555791399397 is an apocalyptic number.

It is an amenable number.

555791399397 is a deficient number, since it is larger than the sum of its proper divisors (308886812091).

555791399397 is a wasteful number, since it uses less digits than its factorization.

555791399397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625361 (or 625358 counting only the distinct ones).

The product of its digits is 361675125, while the sum is 72.

The spelling of 555791399397 in words is "five hundred fifty-five billion, seven hundred ninety-one million, three hundred ninety-nine thousand, three hundred ninety-seven".