54547242 has 8 divisors (see below), whose sum is σ = 109094496. Its totient is φ = 18182412.

The previous prime is 54547201. The next prime is 54547249. The reversal of 54547242 is 24274545.

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

54547242 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (54547249) 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, 4545598 + ... + 4545609.

It is an arithmetic number, because the mean of its divisors is an integer number (13636812).

Almost surely, 2^54547242 is an apocalyptic number.

54547242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54547242 is a wasteful number, since it uses less digits than its factorization.

54547242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091212.

The product of its digits is 44800, while the sum is 33.

The square root of 54547242 is about 7385.6104690134. The cubic root of 54547242 is about 379.2488439415.

The spelling of 54547242 in words is "fifty-four million, five hundred forty-seven thousand, two hundred forty-two".