264318553 has 12 divisors (see below), whose sum is σ = 282215808. Its totient is φ = 247423880.

The previous prime is 264318541. The next prime is 264318559. The reversal of 264318553 is 355813462.

It is not a de Polignac number, because 264318553 - 2⁵ = 264318521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264318559) 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, 19548 + ... + 30178.

It is an arithmetic number, because the mean of its divisors is an integer number (23517984).

Almost surely, 2^264318553 is an apocalyptic number.

264318553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

264318553 is a deficient number, since it is larger than the sum of its proper divisors (17897255).

264318553 is a wasteful number, since it uses less digits than its factorization.

264318553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724 (or 10701 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 264318553 is about 16257.8766448759. The cubic root of 264318553 is about 641.7647849358.

The spelling of 264318553 in words is "two hundred sixty-four million, three hundred eighteen thousand, five hundred fifty-three".