55385827 has 12 divisors (see below), whose sum is σ = 64551816. Its totient is φ = 47382720.

The previous prime is 55385783. The next prime is 55385831. The reversal of 55385827 is 72858355.

It is not a de Polignac number, because 55385827 - 2¹⁵ = 55353059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55385887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42528 + ... + 43810.

It is an arithmetic number, because the mean of its divisors is an integer number (5379318).

Almost surely, 2^55385827 is an apocalyptic number.

55385827 is a deficient number, since it is larger than the sum of its proper divisors (9165989).

55385827 is a wasteful number, since it uses less digits than its factorization.

55385827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2171 counting only the distinct ones).

The product of its digits is 336000, while the sum is 43.

The square root of 55385827 is about 7442.1654778700. The cubic root of 55385827 is about 381.1824364014.

The spelling of 55385827 in words is "fifty-five million, three hundred eighty-five thousand, eight hundred twenty-seven".