54239880 has 128 divisors (see below), whose sum is σ = 170035200. Its totient is φ = 13830912.

The previous prime is 54239873. The next prime is 54239881. The reversal of 54239880 is 8893245.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54239881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332679 + ... + 332841.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 2^54239880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54239880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85017600).

54239880 is an abundant number, since it is smaller than the sum of its proper divisors (115795320).

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

54239880 is a wasteful number, since it uses less digits than its factorization.

54239880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 54239880 is about 7364.7729089226. The cubic root of 54239880 is about 378.5351731880.

The spelling of 54239880 in words is "fifty-four million, two hundred thirty-nine thousand, eight hundred eighty".