55084238 has 32 divisors (see below), whose sum is σ = 93133152. Its totient is φ = 24217600.

The previous prime is 55084193. The next prime is 55084259. The reversal of 55084238 is 83248055.

It is a junction number, because it is equal to n+sod(n) for n = 55084198 and 55084207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155870 + ... + 156222.

It is an arithmetic number, because the mean of its divisors is an integer number (2910411).

Almost surely, 2^55084238 is an apocalyptic number.

55084238 is a deficient number, since it is larger than the sum of its proper divisors (38048914).

55084238 is a wasteful number, since it uses less digits than its factorization.

55084238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 55084238 is about 7421.8756389473. The cubic root of 55084238 is about 380.4893004382.

The spelling of 55084238 in words is "fifty-five million, eighty-four thousand, two hundred thirty-eight".