54943938 has 48 divisors (see below), whose sum is σ = 139229376. Its totient is φ = 15331680.

The previous prime is 54943921. The next prime is 54943939. The reversal of 54943938 is 83934945.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54943893 and 54943902.

It is not an unprimeable number, because it can be changed into a prime (54943939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348 + ... + 10488.

It is an arithmetic number, because the mean of its divisors is an integer number (2900612).

Almost surely, 2^54943938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54943938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69614688).

54943938 is an abundant number, since it is smaller than the sum of its proper divisors (84285438).

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

54943938 is a wasteful number, since it uses less digits than its factorization.

54943938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199 (or 10196 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 54943938 is about 7412.4178241651. The cubic root of 54943938 is about 380.1659893481.

The spelling of 54943938 in words is "fifty-four million, nine hundred forty-three thousand, nine hundred thirty-eight".