551430551033 has 4 divisors (see below), whose sum is σ = 551442814608. Its totient is φ = 551418287460.

The previous prime is 551430550967. The next prime is 551430551051. The reversal of 551430551033 is 330155034155.

551430551033 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551430551033 - 2²⁸ = 551162115577 is a prime.

It is a super-2 number, since 2×551430551033² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551430550984 and 551430551002.

It is not an unprimeable number, because it can be changed into a prime (551430551933) 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, 6064091 + ... + 6154352.

It is an arithmetic number, because the mean of its divisors is an integer number (137860703652).

Almost surely, 2^551430551033 is an apocalyptic number.

It is an amenable number.

551430551033 is a deficient number, since it is larger than the sum of its proper divisors (12263575).

551430551033 is a wasteful number, since it uses less digits than its factorization.

551430551033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12263574.

The product of its (nonzero) digits is 67500, while the sum is 35.

Adding to 551430551033 its reverse (330155034155), we get a palindrome (881585585188).

The spelling of 551430551033 in words is "five hundred fifty-one billion, four hundred thirty million, five hundred fifty-one thousand, thirty-three".