54933440 has 112 divisors (see below), whose sum is σ = 138257280. Its totient is φ = 20766720.

The previous prime is 54933421. The next prime is 54933451. The reversal of 54933440 is 4433945.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 54933397 and 54933406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695321 + ... + 695399.

It is an arithmetic number, because the mean of its divisors is an integer number (1234440).

Almost surely, 2^54933440 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 54933440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69128640).

54933440 is an abundant number, since it is smaller than the sum of its proper divisors (83323840).

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

54933440 is a wasteful number, since it uses less digits than its factorization.

54933440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 54933440 is about 7411.7096543240. The cubic root of 54933440 is about 380.1417753529.

The spelling of 54933440 in words is "fifty-four million, nine hundred thirty-three thousand, four hundred forty".