56952569 has 4 divisors (see below), whose sum is σ = 57484944. Its totient is φ = 56420196.

The previous prime is 56952527. The next prime is 56952593. The reversal of 56952569 is 96525965.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96525965 = 5 ⋅19305193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56952569 is a prime.

It is a super-2 number, since 2×56952569² = 6487190231399522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56952869) 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, 266027 + ... + 266240.

It is an arithmetic number, because the mean of its divisors is an integer number (14371236).

Almost surely, 2^56952569 is an apocalyptic number.

It is an amenable number.

56952569 is a deficient number, since it is larger than the sum of its proper divisors (532375).

56952569 is a wasteful number, since it uses less digits than its factorization.

56952569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532374.

The product of its digits is 729000, while the sum is 47.

The square root of 56952569 is about 7546.6925868224. The cubic root of 56952569 is about 384.7433359862.

The spelling of 56952569 in words is "fifty-six million, nine hundred fifty-two thousand, five hundred sixty-nine".