54618140 has 12 divisors (see below), whose sum is σ = 114698136. Its totient is φ = 21847248.

The previous prime is 54618139. The next prime is 54618163. The reversal of 54618140 is 4181645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365434 + ... + 1365473.

It is an arithmetic number, because the mean of its divisors is an integer number (9558178).

Almost surely, 2^54618140 is an apocalyptic number.

It is an amenable number.

54618140 is an abundant number, since it is smaller than the sum of its proper divisors (60079996).

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

54618140 is a wasteful number, since it uses less digits than its factorization.

54618140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730916 (or 2730914 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 54618140 is about 7390.4086490532. The cubic root of 54618140 is about 379.4130828819.

Adding to 54618140 its reverse (4181645), we get a palindrome (58799785).

The spelling of 54618140 in words is "fifty-four million, six hundred eighteen thousand, one hundred forty".