551252432775 has 24 divisors (see below), whose sum is σ = 994258934784. Its totient is φ = 267273906400.

The previous prime is 551252432737. The next prime is 551252432777. The reversal of 551252432775 is 577234252155.

It is a happy number.

It is not a de Polignac number, because 551252432775 - 2¹⁵ = 551252400007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551252432777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334091559 + ... + 334093208.

It is an arithmetic number, because the mean of its divisors is an integer number (41427455616).

Almost surely, 2^551252432775 is an apocalyptic number.

551252432775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551252432775 is a deficient number, since it is larger than the sum of its proper divisors (443006502009).

551252432775 is a wasteful number, since it uses less digits than its factorization.

551252432775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668184791 (or 668184786 counting only the distinct ones).

The product of its digits is 2940000, while the sum is 48.

The spelling of 551252432775 in words is "five hundred fifty-one billion, two hundred fifty-two million, four hundred thirty-two thousand, seven hundred seventy-five".