54286140 has 24 divisors (see below), whose sum is σ = 152001360. Its totient is φ = 14476288.

The previous prime is 54286139. The next prime is 54286153. The reversal of 54286140 is 4168245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54286098 and 54286107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452325 + ... + 452444.

It is an arithmetic number, because the mean of its divisors is an integer number (6333390).

Almost surely, 2^54286140 is an apocalyptic number.

It is an amenable number.

54286140 is an abundant number, since it is smaller than the sum of its proper divisors (97715220).

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

54286140 is a wasteful number, since it uses less digits than its factorization.

54286140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904781 (or 904779 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 54286140 is about 7367.9128659343. The cubic root of 54286140 is about 378.6427573814.

The spelling of 54286140 in words is "fifty-four million, two hundred eighty-six thousand, one hundred forty".