54304140 has 48 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 13164480.

The previous prime is 54304139. The next prime is 54304183. The reversal of 54304140 is 4140345.

It is a super-2 number, since 2×54304140² = 5897879242279200, which contains 22 as substring.

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, 40480 + ... + 41799.

It is an arithmetic number, because the mean of its divisors is an integer number (3455760).

Almost surely, 2^54304140 is an apocalyptic number.

It is an amenable number.

54304140 is an abundant number, since it is smaller than the sum of its proper divisors (111572340).

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

54304140 is a wasteful number, since it uses less digits than its factorization.

54304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82302 (or 82300 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54304140 is about 7369.1342775118. The cubic root of 54304140 is about 378.6846024175.

Adding to 54304140 its reverse (4140345), we get a palindrome (58444485).

The spelling of 54304140 in words is "fifty-four million, three hundred four thousand, one hundred forty".