54138286 has 12 divisors (see below), whose sum is σ = 83241576. Its totient is φ = 26407280.

The previous prime is 54138269. The next prime is 54138317. The reversal of 54138286 is 68283145.

It is a happy number.

It is a super-2 number, since 2×54138286² = 5861908022035592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4690 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (6936798).

Almost surely, 2^54138286 is an apocalyptic number.

54138286 is a deficient number, since it is larger than the sum of its proper divisors (29103290).

54138286 is a wasteful number, since it uses less digits than its factorization.

54138286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187 (or 16146 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 54138286 is about 7357.8723826932. The cubic root of 54138286 is about 378.2986870579.

The spelling of 54138286 in words is "fifty-four million, one hundred thirty-eight thousand, two hundred eighty-six".