54539906 has 8 divisors (see below), whose sum is σ = 82930764. Its totient is φ = 26896320.

The previous prime is 54539897. The next prime is 54539909. The reversal of 54539906 is 60993545.

It can be written as a sum of positive squares in 2 ways, for example, as 54538225 + 1681 = 7385^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (54539909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186635 + ... + 186926.

Almost surely, 2^54539906 is an apocalyptic number.

54539906 is a deficient number, since it is larger than the sum of its proper divisors (28390858).

54539906 is a wasteful number, since it uses less digits than its factorization.

54539906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373636.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 54539906 is about 7385.1138109037. The cubic root of 54539906 is about 379.2318415893.

The spelling of 54539906 in words is "fifty-four million, five hundred thirty-nine thousand, nine hundred six".