55247648 has 12 divisors (see below), whose sum is σ = 108768870. Its totient is φ = 27623808.

The previous prime is 55247629. The next prime is 55247651. The reversal of 55247648 is 84674255.

It can be written as a sum of positive squares in only one way, i.e., 32855824 + 22391824 = 5732^2 + 4732^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863213 + ... + 863276.

Almost surely, 2^55247648 is an apocalyptic number.

It is an amenable number.

55247648 is a deficient number, since it is larger than the sum of its proper divisors (53521222).

55247648 is a wasteful number, since it uses less digits than its factorization.

55247648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726499 (or 1726491 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 55247648 is about 7432.8761593343. The cubic root of 55247648 is about 380.8651755072.

The spelling of 55247648 in words is "fifty-five million, two hundred forty-seven thousand, six hundred forty-eight".