54515023 has 4 divisors (see below), whose sum is σ = 55988440. Its totient is φ = 53041608.

The previous prime is 54515017. The next prime is 54515033. The reversal of 54515023 is 32051545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54515023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54515003) 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, 736653 + ... + 736726.

It is an arithmetic number, because the mean of its divisors is an integer number (13997110).

Almost surely, 2^54515023 is an apocalyptic number.

54515023 is a deficient number, since it is larger than the sum of its proper divisors (1473417).

54515023 is a wasteful number, since it uses less digits than its factorization.

54515023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473416.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 54515023 is about 7383.4289459573. The cubic root of 54515023 is about 379.1741599024.

Adding to 54515023 its reverse (32051545), we get a palindrome (86566568).

The spelling of 54515023 in words is "fifty-four million, five hundred fifteen thousand, twenty-three".