54986138 has 16 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 27103440.

The previous prime is 54986137. The next prime is 54986159. The reversal of 54986138 is 83168945.

It is not an unprimeable number, because it can be changed into a prime (54986137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59903 + ... + 60813.

It is an arithmetic number, because the mean of its divisors is an integer number (5228496).

Almost surely, 2^54986138 is an apocalyptic number.

54986138 is a deficient number, since it is larger than the sum of its proper divisors (28669798).

54986138 is a wasteful number, since it uses less digits than its factorization.

54986138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its digits is 207360, while the sum is 44.

The square root of 54986138 is about 7415.2638523521. The cubic root of 54986138 is about 380.2632939813.

The spelling of 54986138 in words is "fifty-four million, nine hundred eighty-six thousand, one hundred thirty-eight".