551253053405 has 4 divisors (see below), whose sum is σ = 661503664092. Its totient is φ = 441002442720.

The previous prime is 551253053387. The next prime is 551253053441. The reversal of 551253053405 is 504350352155.

551253053405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 188485354201 + 362767699204 = 434149^2 + 602302^2 .

It is not a de Polignac number, because 551253053405 - 2²⁴ = 551236276189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55125305336 + ... + 55125305345.

It is an arithmetic number, because the mean of its divisors is an integer number (165375916023).

Almost surely, 2^551253053405 is an apocalyptic number.

It is an amenable number.

551253053405 is a deficient number, since it is larger than the sum of its proper divisors (110250610687).

551253053405 is a wasteful number, since it uses less digits than its factorization.

551253053405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110250610686.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 551253053405 in words is "five hundred fifty-one billion, two hundred fifty-three million, fifty-three thousand, four hundred five".