55489348258 has 16 divisors (see below), whose sum is σ = 88204266360. Its totient is φ = 26134595200.

The previous prime is 55489348207. The next prime is 55489348259. The reversal of 55489348258 is 85284398455.

It can be written as a sum of positive squares in 4 ways, for example, as 24901786809 + 30587561449 = 157803^2 + 174893^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55489348196 and 55489348205.

It is not an unprimeable number, because it can be changed into a prime (55489348259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11664853 + ... + 11669608.

Almost surely, 2^55489348258 is an apocalyptic number.

55489348258 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55489348258 is a deficient number, since it is larger than the sum of its proper divisors (32714918102).

55489348258 is a wasteful number, since it uses less digits than its factorization.

55489348258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334533.

The product of its digits is 55296000, while the sum is 61.

The spelling of 55489348258 in words is "fifty-five billion, four hundred eighty-nine million, three hundred forty-eight thousand, two hundred fifty-eight".