56560551 has 8 divisors (see below), whose sum is σ = 75579504. Its totient is φ = 37624320.

The previous prime is 56560507. The next prime is 56560571. The reversal of 56560551 is 15506565.

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

It is not a de Polignac number, because 56560551 - 2¹⁴ = 56544167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560501) 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, 19066 + ... + 21831.

It is an arithmetic number, because the mean of its divisors is an integer number (9447438).

Almost surely, 2^56560551 is an apocalyptic number.

56560551 is a deficient number, since it is larger than the sum of its proper divisors (19018953).

56560551 is a wasteful number, since it uses less digits than its factorization.

56560551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41361.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 56560551 is about 7520.6749032251. The cubic root of 56560551 is about 383.8585430031.

It can be divided in two parts, 565 and 60551, that added together give a palindrome (61116).

The spelling of 56560551 in words is "fifty-six million, five hundred sixty thousand, five hundred fifty-one".