564055257 has 8 divisors (see below), whose sum is σ = 796313376. Its totient is φ = 353916992.

The previous prime is 564055253. The next prime is 564055267. The reversal of 564055257 is 752550465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564055257 - 2² = 564055253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564055253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529903 + ... + 5530004.

It is an arithmetic number, because the mean of its divisors is an integer number (99539172).

Almost surely, 2^564055257 is an apocalyptic number.

It is an amenable number.

564055257 is a deficient number, since it is larger than the sum of its proper divisors (232258119).

564055257 is a wasteful number, since it uses less digits than its factorization.

564055257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11059927.

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 564055257 is about 23749.8475153000. The cubic root of 564055257 is about 826.2419040483.

The spelling of 564055257 in words is "five hundred sixty-four million, fifty-five thousand, two hundred fifty-seven".