55603860 has 48 divisors (see below), whose sum is σ = 167669376. Its totient is φ = 13686912.

The previous prime is 55603853. The next prime is 55603883. The reversal of 55603860 is 6830655.

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, 34864 + ... + 36423.

It is an arithmetic number, because the mean of its divisors is an integer number (3493112).

Almost surely, 2^55603860 is an apocalyptic number.

It is an amenable number.

55603860 is an abundant number, since it is smaller than the sum of its proper divisors (112065516).

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

55603860 is a wasteful number, since it uses less digits than its factorization.

55603860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71312 (or 71310 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55603860 is about 7456.7995815899. The cubic root of 55603860 is about 381.6819717192.

The spelling of 55603860 in words is "fifty-five million, six hundred three thousand, eight hundred sixty".