54543573 has 12 divisors (see below), whose sum is σ = 90040288. Its totient is φ = 31167720.

The previous prime is 54543563. The next prime is 54543581. The reversal of 54543573 is 37534545.

54543573 is a `hidden beast` number, since 5 + 45 + 43 + 573 = 666.

It is not a de Polignac number, because 54543573 - 2¹⁴ = 54527189 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 (54543523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432823 + ... + 432948.

Almost surely, 2^54543573 is an apocalyptic number.

It is an amenable number.

54543573 is a deficient number, since it is larger than the sum of its proper divisors (35496715).

54543573 is a wasteful number, since it uses less digits than its factorization.

54543573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865784 (or 865781 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 54543573 is about 7385.3620764320. The cubic root of 54543573 is about 379.2403406383.

Subtracting from 54543573 its reverse (37534545), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 54543573 in words is "fifty-four million, five hundred forty-three thousand, five hundred seventy-three".