551312264 has 8 divisors (see below), whose sum is σ = 1033710510. Its totient is φ = 275656128.

The previous prime is 551312221. The next prime is 551312273. The reversal of 551312264 is 462213155.

It can be written as a sum of positive squares in only one way, i.e., 372876100 + 178436164 = 19310^2 + 13358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34457009 + ... + 34457024.

Almost surely, 2^551312264 is an apocalyptic number.

It is an amenable number.

551312264 is a deficient number, since it is larger than the sum of its proper divisors (482398246).

551312264 is a wasteful number, since it uses less digits than its factorization.

551312264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68914039 (or 68914035 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 551312264 is about 23480.0396933225. The cubic root of 551312264 is about 819.9723686902.

The spelling of 551312264 in words is "five hundred fifty-one million, three hundred twelve thousand, two hundred sixty-four".