551245030533 has 12 divisors (see below), whose sum is σ = 796249546560. Its totient is φ = 367493583336.

The previous prime is 551245030513. The next prime is 551245030547. The reversal of 551245030533 is 335030542155.

551245030533 is a `hidden beast` number, since 5 + 51 + 2 + 45 + 0 + 30 + 533 = 666.

It is not a de Polignac number, because 551245030533 - 2¹⁰ = 551245029509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551245030513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1484638 + ... + 1818416.

It is an arithmetic number, because the mean of its divisors is an integer number (66354128880).

Almost surely, 2^551245030533 is an apocalyptic number.

It is an amenable number.

551245030533 is a deficient number, since it is larger than the sum of its proper divisors (245004516027).

551245030533 is a wasteful number, since it uses less digits than its factorization.

551245030533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517288 (or 517285 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 551245030533 its reverse (335030542155), we get a palindrome (886275572688).

The spelling of 551245030533 in words is "five hundred fifty-one billion, two hundred forty-five million, thirty thousand, five hundred thirty-three".