551433424033 has 4 divisors (see below), whose sum is σ = 558987306628. Its totient is φ = 543879541440.

The previous prime is 551433424007. The next prime is 551433424037. The reversal of 551433424033 is 330424334155.

It is a happy number.

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 98064175104 + 453369248929 = 313152^2 + 673327^2 .

It is a cyclic number.

It is not a de Polignac number, because 551433424033 - 2⁵ = 551433424001 is a prime.

It is a super-2 number, since 2×551433424033² (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 = 551433423983 and 551433424001.

It is not an unprimeable number, because it can be changed into a prime (551433424037) 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, 3776941188 + ... + 3776941333.

It is an arithmetic number, because the mean of its divisors is an integer number (139746826657).

Almost surely, 2^551433424033 is an apocalyptic number.

It is an amenable number.

551433424033 is a deficient number, since it is larger than the sum of its proper divisors (7553882595).

551433424033 is an equidigital number, since it uses as much as digits as its factorization.

551433424033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553882594.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 551433424033 its reverse (330424334155), we get a palindrome (881857758188).

The spelling of 551433424033 in words is "five hundred fifty-one billion, four hundred thirty-three million, four hundred twenty-four thousand, thirty-three".