55280302803 has 24 divisors (see below), whose sum is σ = 87116296176. Its totient is φ = 33500160000.

The previous prime is 55280302751. The next prime is 55280302817. The reversal of 55280302803 is 30820308255.

55280302803 is a `hidden beast` number, since 552 + 80 + 3 + 0 + 28 + 0 + 3 = 666.

It is not a de Polignac number, because 55280302803 - 2⁶ = 55280302739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55280302303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1566651 + ... + 1601547.

It is an arithmetic number, because the mean of its divisors is an integer number (3629845674).

Almost surely, 2^55280302803 is an apocalyptic number.

55280302803 is a deficient number, since it is larger than the sum of its proper divisors (31835993373).

55280302803 is a wasteful number, since it uses less digits than its factorization.

55280302803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50915 (or 50912 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 55280302803 in words is "fifty-five billion, two hundred eighty million, three hundred two thousand, eight hundred three".