56553 has 8 divisors (see below), whose sum is σ = 86208. Its totient is φ = 32304.

The previous prime is 56543. The next prime is 56569. The reversal of 56553 is 35565.

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

It is not a de Polignac number, because 56553 - 2⁶ = 56489 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (56503) 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, 1326 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (10776).

2⁵⁶⁵⁵³ is an apocalyptic number.

It is an amenable number.

56553 is a deficient number, since it is larger than the sum of its proper divisors (29655).

56553 is a wasteful number, since it uses less digits than its factorization.

56553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its digits is 2250, while the sum is 24.

The square root of 56553 is about 237.8087466852. The cubic root of 56553 is about 38.3841460161.

The spelling of 56553 in words is "fifty-six thousand, five hundred fifty-three".