56523 has 8 divisors (see below), whose sum is σ = 76608. Its totient is φ = 37064.

The previous prime is 56519. The next prime is 56527. The reversal of 56523 is 32565.

It is an interprime number because it is at equal distance from previous prime (56519) and next prime (56527).

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 56523 - 2² = 56519 is a prime.

It is an alternating number because its digits alternate between odd and even.

56523 is a lucky number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 56523.

It is not an unprimeable number, because it can be changed into a prime (56527) 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, 136 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (9576).

2⁵⁶⁵²³ is an apocalyptic number.

56523 is a deficient number, since it is larger than the sum of its proper divisors (20085).

56523 is a wasteful number, since it uses less digits than its factorization.

56523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 900, while the sum is 21.

The square root of 56523 is about 237.7456624210. The cubic root of 56523 is about 38.3773575283.

The spelling of 56523 in words is "fifty-six thousand, five hundred twenty-three".