551500560 has 120 divisors (see below), whose sum is σ = 1994627544. Its totient is φ = 135751680.

The previous prime is 551500507. The next prime is 551500561. The reversal of 551500560 is 65005155.

551500560 is a `hidden beast` number, since 5 + 51 + 50 + 0 + 560 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2304 + 551498256 = 48^2 + 23484^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (551500561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20101 + ... + 38820.

Almost surely, 2^551500560 is an apocalyptic number.

It is an amenable number.

551500560 is an abundant number, since it is smaller than the sum of its proper divisors (1443126984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551500560 is a wasteful number, since it uses less digits than its factorization.

551500560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58953 (or 58944 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 551500560 is about 23484.0490546243. The cubic root of 551500560 is about 820.0657095866.

The spelling of 551500560 in words is "five hundred fifty-one million, five hundred thousand, five hundred sixty".