5553991257993 has 24 divisors (see below), whose sum is σ = 8037206617440. Its totient is φ = 3695845345920.

The previous prime is 5553991257953. The next prime is 5553991258007. The reversal of 5553991257993 is 3997521993555.

It is a happy number.

5553991257993 is a `hidden beast` number, since 5 + 5 + 5 + 39 + 9 + 12 + 579 + 9 + 3 = 666.

It is not a de Polignac number, because 5553991257993 - 2¹² = 5553991253897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5553991257943) 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, 18360630 + ... + 18660672.

It is an arithmetic number, because the mean of its divisors is an integer number (334883609060).

Almost surely, 2^{5553991257993} is an apocalyptic number.

It is an amenable number.

5553991257993 is a deficient number, since it is larger than the sum of its proper divisors (2483215359447).

5553991257993 is a wasteful number, since it uses less digits than its factorization.

5553991257993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303829 (or 303826 counting only the distinct ones).

The product of its digits is 516678750, while the sum is 72.

The spelling of 5553991257993 in words is "five trillion, five hundred fifty-three billion, nine hundred ninety-one million, two hundred fifty-seven thousand, nine hundred ninety-three".