56541523 has 4 divisors (see below), whose sum is σ = 56709640. Its totient is φ = 56373408.

The previous prime is 56541491. The next prime is 56541547. The reversal of 56541523 is 32514565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56541523 - 2⁵ = 56541491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56541553) 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, 83553 + ... + 84226.

It is an arithmetic number, because the mean of its divisors is an integer number (14177410).

Almost surely, 2^56541523 is an apocalyptic number.

56541523 is a deficient number, since it is larger than the sum of its proper divisors (168117).

56541523 is a wasteful number, since it uses less digits than its factorization.

56541523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168116.

The product of its digits is 18000, while the sum is 31.

The square root of 56541523 is about 7519.4097507717. The cubic root of 56541523 is about 383.8154925056.

The spelling of 56541523 in words is "fifty-six million, five hundred forty-one thousand, five hundred twenty-three".