551400530053 has 4 divisors (see below), whose sum is σ = 551442407968. Its totient is φ = 551358652140.

The previous prime is 551400530029. The next prime is 551400530069. The reversal of 551400530053 is 350035004155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350035004155 = 5 ⋅70007000831.

It is a cyclic number.

It is not a de Polignac number, because 551400530053 - 2²⁹ = 550863659141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551400529997 and 551400530024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551400530003) 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, 20919201 + ... + 20945542.

It is an arithmetic number, because the mean of its divisors is an integer number (137860601992).

Almost surely, 2^551400530053 is an apocalyptic number.

It is an amenable number.

551400530053 is a deficient number, since it is larger than the sum of its proper divisors (41877915).

551400530053 is a wasteful number, since it uses less digits than its factorization.

551400530053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41877914.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 551400530053 in words is "five hundred fifty-one billion, four hundred million, five hundred thirty thousand, fifty-three".