54912240 has 120 divisors (see below), whose sum is σ = 188023680. Its totient is φ = 14356992.

The previous prime is 54912239. The next prime is 54912241. The reversal of 54912240 is 4221945.

54912240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54912239) and next prime (54912241).

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54912241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37441 + ... + 38879.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864).

Almost surely, 2^54912240 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 54912240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94011840).

54912240 is an abundant number, since it is smaller than the sum of its proper divisors (133111440).

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

54912240 is a wasteful number, since it uses less digits than its factorization.

54912240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 54912240 is about 7410.2793469612. The cubic root of 54912240 is about 380.0928674225.

The spelling of 54912240 in words is "fifty-four million, nine hundred twelve thousand, two hundred forty".