564264550 has 24 divisors (see below), whose sum is σ = 1075134312. Its totient is φ = 220200000.

The previous prime is 564264487. The next prime is 564264557. The reversal of 564264550 is 55462465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564264557) 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, 135576 + ... + 139675.

It is an arithmetic number, because the mean of its divisors is an integer number (44797263).

Almost surely, 2^564264550 is an apocalyptic number.

564264550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564264550 is a deficient number, since it is larger than the sum of its proper divisors (510869762).

564264550 is a wasteful number, since it uses less digits than its factorization.

564264550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275304 (or 275299 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 564264550 is about 23754.2533033560. The cubic root of 564264550 is about 826.3440839091.

The spelling of 564264550 in words is "five hundred sixty-four million, two hundred sixty-four thousand, five hundred fifty".