55606488903 has 20 divisors (see below), whose sum is σ = 94933124880. Its totient is φ = 31775136192.

The previous prime is 55606488881. The next prime is 55606488967. The reversal of 55606488903 is 30988460655.

It is a happy number.

55606488903 is a `hidden beast` number, since 556 + 0 + 6 + 4 + 8 + 89 + 0 + 3 = 666.

It is not a de Polignac number, because 55606488903 - 2⁸ = 55606488647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55606488903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606488803) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49035138 + ... + 49036271.

It is an arithmetic number, because the mean of its divisors is an integer number (4746656244).

Almost surely, 2^55606488903 is an apocalyptic number.

55606488903 is a deficient number, since it is larger than the sum of its proper divisors (39326635977).

55606488903 is an equidigital number, since it uses as much as digits as its factorization.

55606488903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98071428 (or 98071419 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 55606488903 in words is "fifty-five billion, six hundred six million, four hundred eighty-eight thousand, nine hundred three".