55055527803 has 24 divisors (see below), whose sum is σ = 84259773936. Its totient is φ = 34521177600.

The previous prime is 55055527771. The next prime is 55055527831. The reversal of 55055527803 is 30872555055.

It is not a de Polignac number, because 55055527803 - 2⁵ = 55055527771 is a prime.

It is a super-2 number, since 2×55055527803² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055527603) 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, 105108 + ... + 348078.

It is an arithmetic number, because the mean of its divisors is an integer number (3510823914).

Almost surely, 2^55055527803 is an apocalyptic number.

55055527803 is a deficient number, since it is larger than the sum of its proper divisors (29204246133).

55055527803 is a wasteful number, since it uses less digits than its factorization.

55055527803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244475 (or 244472 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 55055527803 in words is "fifty-five billion, fifty-five million, five hundred twenty-seven thousand, eight hundred three".