54724745 has 4 divisors (see below), whose sum is σ = 65669700. Its totient is φ = 43779792.

The previous prime is 54724727. The next prime is 54724753. The reversal of 54724745 is 54742745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10582009 + 44142736 = 3253^2 + 6644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54724745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54724699 and 54724708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5472470 + ... + 5472479.

It is an arithmetic number, because the mean of its divisors is an integer number (16417425).

Almost surely, 2^54724745 is an apocalyptic number.

It is an amenable number.

54724745 is a deficient number, since it is larger than the sum of its proper divisors (10944955).

54724745 is a wasteful number, since it uses less digits than its factorization.

54724745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10944954.

The product of its digits is 156800, while the sum is 38.

The square root of 54724745 is about 7397.6175218782. The cubic root of 54724745 is about 379.6597716489.

The spelling of 54724745 in words is "fifty-four million, seven hundred twenty-four thousand, seven hundred forty-five".