54994140 has 120 divisors (see below), whose sum is σ = 175024080. Its totient is φ = 14452992.

The previous prime is 54994103. The next prime is 54994141. The reversal of 54994140 is 4149945.

It is a happy number.

54994140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54994095 and 54994104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54994141) 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 39 ways as a sum of consecutive naturals, for example, 134256 + ... + 134664.

It is an arithmetic number, because the mean of its divisors is an integer number (1458534).

Almost surely, 2^54994140 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 54994140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87512040).

54994140 is an abundant number, since it is smaller than the sum of its proper divisors (120029940).

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

54994140 is a wasteful number, since it uses less digits than its factorization.

54994140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 54994140 is about 7415.8033954522. The cubic root of 54994140 is about 380.2817393531.

The spelling of 54994140 in words is "fifty-four million, nine hundred ninety-four thousand, one hundred forty".