55385836 has 48 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 23569920.

The previous prime is 55385831. The next prime is 55385861. The reversal of 55385836 is 63858355.

It is a junction number, because it is equal to n+sod(n) for n = 55385792 and 55385801.

It is not an unprimeable number, because it can be changed into a prime (55385831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80751 + ... + 81433.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 2^55385836 is an apocalyptic number.

It is an amenable number.

55385836 is an abundant number, since it is smaller than the sum of its proper divisors (57227924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55385836 is a wasteful number, since it uses less digits than its factorization.

55385836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 812 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 55385836 is about 7442.1660825327. The cubic root of 55385836 is about 381.1824570484.

The spelling of 55385836 in words is "fifty-five million, three hundred eighty-five thousand, eight hundred thirty-six".