55182825 has 18 divisors (see below), whose sum is σ = 98838974. Its totient is φ = 29430720.

The previous prime is 55182811. The next prime is 55182851. The reversal of 55182825 is 52828155.

55182825 is a `hidden beast` number, since 551 + 82 + 8 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 363609 + 54819216 = 603^2 + 7404^2 .

It is not a de Polignac number, because 55182825 - 2⁵ = 55182793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55182825.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 122404 + ... + 122853.

Almost surely, 2^55182825 is an apocalyptic number.

It is an amenable number.

55182825 is a deficient number, since it is larger than the sum of its proper divisors (43656149).

55182825 is a wasteful number, since it uses less digits than its factorization.

55182825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245273 (or 245265 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 55182825 is about 7428.5143198354. The cubic root of 55182825 is about 380.7161586929.

The spelling of 55182825 in words is "fifty-five million, one hundred eighty-two thousand, eight hundred twenty-five".