56552217 has 8 divisors (see below), whose sum is σ = 79838496. Its totient is φ = 35483712.

The previous prime is 56552203. The next prime is 56552231. The reversal of 56552217 is 71225565.

It is an interprime number because it is at equal distance from previous prime (56552203) and next prime (56552231).

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

It is not a de Polignac number, because 56552217 - 2⁴ = 56552201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56552257) 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, 554383 + ... + 554484.

It is an arithmetic number, because the mean of its divisors is an integer number (9979812).

Almost surely, 2^56552217 is an apocalyptic number.

It is an amenable number.

56552217 is a deficient number, since it is larger than the sum of its proper divisors (23286279).

56552217 is a wasteful number, since it uses less digits than its factorization.

56552217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108887.

The product of its digits is 21000, while the sum is 33.

The square root of 56552217 is about 7520.1208101998. The cubic root of 56552217 is about 383.8396886711.

The spelling of 56552217 in words is "fifty-six million, five hundred fifty-two thousand, two hundred seventeen".