54269978 has 16 divisors (see below), whose sum is σ = 95304384. Its totient is φ = 22691040.

The previous prime is 54269977. The next prime is 54269981. The reversal of 54269978 is 87996245.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54269977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46700 + ... + 47847.

It is an arithmetic number, because the mean of its divisors is an integer number (5956524).

Almost surely, 2^54269978 is an apocalyptic number.

54269978 is a deficient number, since it is larger than the sum of its proper divisors (41034406).

54269978 is a wasteful number, since it uses less digits than its factorization.

54269978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94597.

The product of its digits is 1088640, while the sum is 50.

The square root of 54269978 is about 7366.8160015030. The cubic root of 54269978 is about 378.6051773063.

The spelling of 54269978 in words is "fifty-four million, two hundred sixty-nine thousand, nine hundred seventy-eight".