54727720 has 32 divisors (see below), whose sum is σ = 123356520. Its totient is φ = 21852160.

The previous prime is 54727697. The next prime is 54727753. The reversal of 54727720 is 2772745.

It can be written as a sum of positive squares in 4 ways, for example, as 22714756 + 32012964 = 4766^2 + 5658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34464 + ... + 36016.

Almost surely, 2^54727720 is an apocalyptic number.

It is an amenable number.

54727720 is an abundant number, since it is smaller than the sum of its proper divisors (68628800).

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

54727720 is a wasteful number, since it uses less digits than its factorization.

54727720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 54727720 is about 7397.8185973975. The cubic root of 54727720 is about 379.6666513359. Note that the first 4 decimals are identical.

The spelling of 54727720 in words is "fifty-four million, seven hundred twenty-seven thousand, seven hundred twenty".