55379728 has 10 divisors (see below), whose sum is σ = 107298254. Its totient is φ = 27689856.

The previous prime is 55379719. The next prime is 55379741. The reversal of 55379728 is 82797355.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 501264 = 7408^2 + 708^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730601 + ... + 1730632.

Almost surely, 2^55379728 is an apocalyptic number.

It is an amenable number.

55379728 is a deficient number, since it is larger than the sum of its proper divisors (51918526).

55379728 is a wasteful number, since it uses less digits than its factorization.

55379728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461241 (or 3461235 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The square root of 55379728 is about 7441.7557068208. The cubic root of 55379728 is about 381.1684441514.

The spelling of 55379728 in words is "fifty-five million, three hundred seventy-nine thousand, seven hundred twenty-eight".