55889400203 has 32 divisors (see below), whose sum is σ = 69162387840. Its totient is φ = 43979443200.

The previous prime is 55889400191. The next prime is 55889400211. The reversal of 55889400203 is 30200498855.

It is not a de Polignac number, because 55889400203 - 2¹² = 55889396107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55889400293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17158151 + ... + 17161407.

It is an arithmetic number, because the mean of its divisors is an integer number (2161324620).

Almost surely, 2^55889400203 is an apocalyptic number.

55889400203 is a deficient number, since it is larger than the sum of its proper divisors (13272987637).

55889400203 is a wasteful number, since it uses less digits than its factorization.

55889400203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 55889400203 in words is "fifty-five billion, eight hundred eighty-nine million, four hundred thousand, two hundred three".