54636523 has 4 divisors (see below), whose sum is σ = 57012048. Its totient is φ = 52261000.

The previous prime is 54636509. The next prime is 54636529. The reversal of 54636523 is 32563645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32563645 = 5 ⋅6512729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54636523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54636529) 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, 1187728 + ... + 1187773.

It is an arithmetic number, because the mean of its divisors is an integer number (14253012).

Almost surely, 2^54636523 is an apocalyptic number.

54636523 is a deficient number, since it is larger than the sum of its proper divisors (2375525).

54636523 is a wasteful number, since it uses less digits than its factorization.

54636523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375524.

The product of its digits is 64800, while the sum is 34.

The square root of 54636523 is about 7391.6522510194. The cubic root of 54636523 is about 379.4556448607.

The spelling of 54636523 in words is "fifty-four million, six hundred thirty-six thousand, five hundred twenty-three".