55917442241 has 4 divisors (see below), whose sum is σ = 56834121684. Its totient is φ = 55000762800.

The previous prime is 55917442199. The next prime is 55917442247. The reversal of 55917442241 is 14224471955.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20701166641 + 35216275600 = 143879^2 + 187660^2 .

It is a cyclic number.

It is not a de Polignac number, because 55917442241 - 2¹⁴ = 55917425857 is a prime.

It is a super-2 number, since 2×55917442241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55917442192 and 55917442201.

It is not an unprimeable number, because it can be changed into a prime (55917442247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458339630 + ... + 458339751.

It is an arithmetic number, because the mean of its divisors is an integer number (14208530421).

Almost surely, 2^55917442241 is an apocalyptic number.

It is an amenable number.

55917442241 is a deficient number, since it is larger than the sum of its proper divisors (916679443).

55917442241 is an equidigital number, since it uses as much as digits as its factorization.

55917442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916679442.

The product of its digits is 403200, while the sum is 44.

The spelling of 55917442241 in words is "fifty-five billion, nine hundred seventeen million, four hundred forty-two thousand, two hundred forty-one".