54993378 has 32 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 16621760.

The previous prime is 54993377. The next prime is 54993397. The reversal of 54993378 is 87339945.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54993377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32776 + ... + 34412.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^54993378 is an apocalyptic number.

54993378 is an abundant number, since it is smaller than the sum of its proper divisors (65301342).

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

54993378 is a wasteful number, since it uses less digits than its factorization.

54993378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its digits is 816480, while the sum is 48.

The square root of 54993378 is about 7415.7520185076. The cubic root of 54993378 is about 380.2799829477.

The spelling of 54993378 in words is "fifty-four million, nine hundred ninety-three thousand, three hundred seventy-eight".