565530640455 has 32 divisors (see below), whose sum is σ = 1011183844608. Its totient is φ = 267508947200.

The previous prime is 565530640421. The next prime is 565530640457. The reversal of 565530640455 is 554046035565.

It is not a de Polignac number, because 565530640455 - 2¹⁹ = 565530116167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565530640457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41791509 + ... + 41805038.

It is an arithmetic number, because the mean of its divisors is an integer number (31599495144).

Almost surely, 2^565530640455 is an apocalyptic number.

565530640455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

565530640455 is a deficient number, since it is larger than the sum of its proper divisors (445653204153).

565530640455 is a wasteful number, since it uses less digits than its factorization.

565530640455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83596607.

The product of its (nonzero) digits is 5400000, while the sum is 48.

The spelling of 565530640455 in words is "five hundred sixty-five billion, five hundred thirty million, six hundred forty thousand, four hundred fifty-five".