56217652 has 12 divisors (see below), whose sum is σ = 101040100. Its totient is φ = 27349056.

The previous prime is 56217647. The next prime is 56217659. The reversal of 56217652 is 25671265.

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 18714276 = 6124^2 + 4326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56217659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189777 + ... + 190072.

Almost surely, 2^56217652 is an apocalyptic number.

It is an amenable number.

56217652 is a deficient number, since it is larger than the sum of its proper divisors (44822448).

56217652 is a wasteful number, since it uses less digits than its factorization.

56217652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379890 (or 379888 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 56217652 is about 7497.8431565351. The cubic root of 56217652 is about 383.0812544759.

The spelling of 56217652 in words is "fifty-six million, two hundred seventeen thousand, six hundred fifty-two".