56552247 has 6 divisors (see below), whose sum is σ = 81686592. Its totient is φ = 37701492.

The previous prime is 56552231. The next prime is 56552257. The reversal of 56552247 is 74225565.

56552247 is a `hidden beast` number, since 565 + 52 + 2 + 47 = 666.

It is not a de Polignac number, because 56552247 - 2⁴ = 56552231 is a prime.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 3141783 + ... + 3141800.

It is an arithmetic number, because the mean of its divisors is an integer number (13614432).

Almost surely, 2^56552247 is an apocalyptic number.

56552247 is a deficient number, since it is larger than the sum of its proper divisors (25134345).

56552247 is a wasteful number, since it uses less digits than its factorization.

56552247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283589 (or 6283586 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 56552247 is about 7520.1228048483. The cubic root of 56552247 is about 383.8397565445.

The spelling of 56552247 in words is "fifty-six million, five hundred fifty-two thousand, two hundred forty-seven".