54525243 has 4 divisors (see below), whose sum is σ = 72700328. Its totient is φ = 36350160.

The previous prime is 54525223. The next prime is 54525259. The reversal of 54525243 is 34252545.

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

It is not a de Polignac number, because 54525243 - 2¹⁶ = 54459707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54525243.

It is not an unprimeable number, because it can be changed into a prime (54525223) 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, 9087538 + ... + 9087543.

It is an arithmetic number, because the mean of its divisors is an integer number (18175082).

Almost surely, 2^54525243 is an apocalyptic number.

54525243 is a deficient number, since it is larger than the sum of its proper divisors (18175085).

54525243 is a wasteful number, since it uses less digits than its factorization.

54525243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18175084.

The product of its digits is 24000, while the sum is 30.

The square root of 54525243 is about 7384.1210038839. The cubic root of 54525243 is about 379.1978531742.

Adding to 54525243 its reverse (34252545), we get a palindrome (88777788).

The spelling of 54525243 in words is "fifty-four million, five hundred twenty-five thousand, two hundred forty-three".