55728248 has 8 divisors (see below), whose sum is σ = 104490480. Its totient is φ = 27864120.

The previous prime is 55728223. The next prime is 55728251. The reversal of 55728248 is 84282755.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483008 + ... + 3483023.

It is an arithmetic number, because the mean of its divisors is an integer number (13061310).

Almost surely, 2^55728248 is an apocalyptic number.

It is an amenable number.

55728248 is a deficient number, since it is larger than the sum of its proper divisors (48762232).

55728248 is a wasteful number, since it uses less digits than its factorization.

55728248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966037 (or 6966033 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 55728248 is about 7465.1354977656. The cubic root of 55728248 is about 381.9663722305.

The spelling of 55728248 in words is "fifty-five million, seven hundred twenty-eight thousand, two hundred forty-eight".