54472138 has 16 divisors (see below), whose sum is σ = 93787200. Its totient is φ = 23243616.

The previous prime is 54472133. The next prime is 54472141. The reversal of 54472138 is 83127445.

It is not an unprimeable number, because it can be changed into a prime (54472133) 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, 5088 + ... + 11611.

It is an arithmetic number, because the mean of its divisors is an integer number (5861700).

Almost surely, 2^54472138 is an apocalyptic number.

54472138 is a deficient number, since it is larger than the sum of its proper divisors (39315062).

54472138 is a wasteful number, since it uses less digits than its factorization.

54472138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16941.

The product of its digits is 26880, while the sum is 34.

The square root of 54472138 is about 7380.5242361231. The cubic root of 54472138 is about 379.0747062792.

The spelling of 54472138 in words is "fifty-four million, four hundred seventy-two thousand, one hundred thirty-eight".