561056276 has 24 divisors (see below), whose sum is σ = 1072963584. Its totient is φ = 254583680.

The previous prime is 561056261. The next prime is 561056291. The reversal of 561056276 is 672650165.

It is an interprime number because it is at equal distance from previous prime (561056261) and next prime (561056291).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15341 + ... + 36843.

It is an arithmetic number, because the mean of its divisors is an integer number (44706816).

Almost surely, 2^561056276 is an apocalyptic number.

It is an amenable number.

561056276 is a deficient number, since it is larger than the sum of its proper divisors (511907308).

561056276 is a wasteful number, since it uses less digits than its factorization.

561056276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111 (or 22109 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 561056276 is about 23686.6265221538. The cubic root of 561056276 is about 824.7749743182.

The spelling of 561056276 in words is "five hundred sixty-one million, fifty-six thousand, two hundred seventy-six".