54001378 has 24 divisors (see below), whose sum is σ = 86719248. Its totient is φ = 25204872.

The previous prime is 54001351. The next prime is 54001379. The reversal of 54001378 is 87310045.

It is a super-2 number, since 2×54001378² = 5832297651797768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54001379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44901 + ... + 46087.

It is an arithmetic number, because the mean of its divisors is an integer number (3613302).

Almost surely, 2^54001378 is an apocalyptic number.

54001378 is a deficient number, since it is larger than the sum of its proper divisors (32717870).

54001378 is a wasteful number, since it uses less digits than its factorization.

54001378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 54001378 is about 7348.5629887754. The cubic root of 54001378 is about 377.9795300730.

The spelling of 54001378 in words is "fifty-four million, one thousand, three hundred seventy-eight".