55841058721258 has 8 divisors (see below), whose sum is σ = 88688740322052. Its totient is φ = 26278145280576.

The previous prime is 55841058721247. The next prime is 55841058721351. The reversal of 55841058721258 is 85212785014855.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51170459142609 + 4670599578649 = 7153353^2 + 2161157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55841058721258² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55841058721196 and 55841058721205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821192039985 + ... + 821192040052.

Almost surely, 2^{55841058721258} is an apocalyptic number.

55841058721258 is a deficient number, since it is larger than the sum of its proper divisors (32847681600794).

55841058721258 is a wasteful number, since it uses less digits than its factorization.

55841058721258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642384080056.

The product of its (nonzero) digits is 35840000, while the sum is 61.

The spelling of 55841058721258 in words is "fifty-five trillion, eight hundred forty-one billion, fifty-eight million, seven hundred twenty-one thousand, two hundred fifty-eight".