54236240 has 20 divisors (see below), whose sum is σ = 126099444. Its totient is φ = 21694464.

The previous prime is 54236219. The next prime is 54236243. The reversal of 54236240 is 4263245.

It can be written as a sum of positive squares in 2 ways, for example, as 18905104 + 35331136 = 4348^2 + 5944^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54236243) 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, 338897 + ... + 339056.

Almost surely, 2^54236240 is an apocalyptic number.

It is an amenable number.

54236240 is an abundant number, since it is smaller than the sum of its proper divisors (71863204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54236240 is a wasteful number, since it uses less digits than its factorization.

54236240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677966 (or 677960 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 54236240 is about 7364.5257824248. The cubic root of 54236240 is about 378.5267052560.

Adding to 54236240 its reverse (4263245), we get a palindrome (58499485).

The spelling of 54236240 in words is "fifty-four million, two hundred thirty-six thousand, two hundred forty".