56550517 has 8 divisors (see below), whose sum is σ = 63028800. Its totient is φ = 50422464.

The previous prime is 56550499. The next prime is 56550553. The reversal of 56550517 is 71505565.

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

It is a cyclic number.

It is not a de Polignac number, because 56550517 - 2¹⁵ = 56517749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56550317) 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, 87217 + ... + 87862.

It is an arithmetic number, because the mean of its divisors is an integer number (7878600).

Almost surely, 2^56550517 is an apocalyptic number.

It is an amenable number.

56550517 is a deficient number, since it is larger than the sum of its proper divisors (6478283).

56550517 is a wasteful number, since it uses less digits than its factorization.

56550517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175115.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 56550517 is about 7520.0077792513. The cubic root of 56550517 is about 383.8358424675.

The spelling of 56550517 in words is "fifty-six million, five hundred fifty thousand, five hundred seventeen".