54051140 has 48 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 18142080.

The previous prime is 54051131. The next prime is 54051163. The reversal of 54051140 is 4115045.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 6590 + ... + 12309.

It is an arithmetic number, because the mean of its divisors is an integer number (2778300).

Almost surely, 2^54051140 is an apocalyptic number.

It is an amenable number.

54051140 is an abundant number, since it is smaller than the sum of its proper divisors (79307260).

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

54051140 is a wasteful number, since it uses less digits than its factorization.

54051140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932 (or 18930 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 54051140 is about 7351.9480411657. The cubic root of 54051140 is about 378.0955965115.

Adding to 54051140 its reverse (4115045), we get a palindrome (58166185).

The spelling of 54051140 in words is "fifty-four million, fifty-one thousand, one hundred forty".