564775282655225 has 48 divisors (see below), whose sum is σ = 719073604968768. Its totient is φ = 439898701271040.

The previous prime is 564775282655201. The next prime is 564775282655231. The reversal of 564775282655225 is 522556282577465.

It is a happy number.

It is not a de Polignac number, because 564775282655225 - 2¹⁰ = 564775282654201 is a prime.

It is a super-2 number, since 2×564775282655225² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73965617 + ... + 81243233.

It is an arithmetic number, because the mean of its divisors is an integer number (14980700103516).

Almost surely, 2^{564775282655225} is an apocalyptic number.

It is an amenable number.

564775282655225 is a deficient number, since it is larger than the sum of its proper divisors (154298322313543).

564775282655225 is a wasteful number, since it uses less digits than its factorization.

564775282655225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278234 (or 7278229 counting only the distinct ones).

The product of its digits is 2822400000, while the sum is 71.

The spelling of 564775282655225 in words is "five hundred sixty-four trillion, seven hundred seventy-five billion, two hundred eighty-two million, six hundred fifty-five thousand, two hundred twenty-five".