54647172 has 72 divisors (see below), whose sum is σ = 148861440. Its totient is φ = 16853760.

The previous prime is 54647123. The next prime is 54647213. The reversal of 54647172 is 27174645.

54647172 is a `hidden beast` number, since 5 + 4 + 647 + 1 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24604 + ... + 26732.

It is an arithmetic number, because the mean of its divisors is an integer number (2067520).

Almost surely, 2^54647172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54647172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74430720).

54647172 is an abundant number, since it is smaller than the sum of its proper divisors (94214268).

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

54647172 is a wasteful number, since it uses less digits than its factorization.

54647172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2188 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 54647172 is about 7392.3725555467. The cubic root of 54647172 is about 379.4802960185.

The spelling of 54647172 in words is "fifty-four million, six hundred forty-seven thousand, one hundred seventy-two".