551454688859 has 4 divisors (see below), whose sum is σ = 555479905704. Its totient is φ = 547429472016.

The previous prime is 551454688849. The next prime is 551454688909. The reversal of 551454688859 is 958886454155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551454688859 - 2³⁶ = 482735212123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551454688849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012608217 + ... + 2012608490.

It is an arithmetic number, because the mean of its divisors is an integer number (138869976426).

Almost surely, 2^551454688859 is an apocalyptic number.

551454688859 is a deficient number, since it is larger than the sum of its proper divisors (4025216845).

551454688859 is a wasteful number, since it uses less digits than its factorization.

551454688859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025216844.

The product of its digits is 276480000, while the sum is 68.

The spelling of 551454688859 in words is "five hundred fifty-one billion, four hundred fifty-four million, six hundred eighty-eight thousand, eight hundred fifty-nine".