55255028 has 6 divisors (see below), whose sum is σ = 96696306. Its totient is φ = 27627512.

The previous prime is 55255019. The next prime is 55255061. The reversal of 55255028 is 82055255.

It can be written as a sum of positive squares in only one way, i.e., 39589264 + 15665764 = 6292^2 + 3958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55254985 and 55255003.

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, 6906875 + ... + 6906882.

It is an arithmetic number, because the mean of its divisors is an integer number (16116051).

Almost surely, 2^55255028 is an apocalyptic number.

It is an amenable number.

55255028 is a deficient number, since it is larger than the sum of its proper divisors (41441278).

55255028 is a wasteful number, since it uses less digits than its factorization.

55255028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813761 (or 13813759 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 55255028 is about 7433.3725858455. The cubic root of 55255028 is about 380.8821334529.

The spelling of 55255028 in words is "fifty-five million, two hundred fifty-five thousand, twenty-eight".