54259540 has 24 divisors (see below), whose sum is σ = 114097032. Its totient is φ = 21674880.

The previous prime is 54259537. The next prime is 54259559. The reversal of 54259540 is 4595245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6980164 + 47279376 = 2642^2 + 6876^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54259496 and 54259505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19942 + ... + 22498.

It is an arithmetic number, because the mean of its divisors is an integer number (4754043).

Almost surely, 2^54259540 is an apocalyptic number.

It is an amenable number.

54259540 is an abundant number, since it is smaller than the sum of its proper divisors (59837492).

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

54259540 is a wasteful number, since it uses less digits than its factorization.

54259540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 54259540 is about 7366.1075202579. The cubic root of 54259540 is about 378.5809027787.

The spelling of 54259540 in words is "fifty-four million, two hundred fifty-nine thousand, five hundred forty".