55442202201 has 6 divisors (see below), whose sum is σ = 80083180970. Its totient is φ = 36961468128.

The previous prime is 55442202199. The next prime is 55442202203. The reversal of 55442202201 is 10220224455.

It is an interprime number because it is at equal distance from previous prime (55442202199) and next prime (55442202203).

It can be written as a sum of positive squares in only one way, i.e., 44485137225 + 10957064976 = 210915^2 + 104676^2 .

It is not a de Polignac number, because 55442202201 - 2¹ = 55442202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55442202203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3080122336 + ... + 3080122353.

Almost surely, 2^55442202201 is an apocalyptic number.

It is an amenable number.

55442202201 is a deficient number, since it is larger than the sum of its proper divisors (24640978769).

55442202201 is a wasteful number, since it uses less digits than its factorization.

55442202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160244695 (or 6160244692 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 55442202201 its reverse (10220224455), we get a palindrome (65662426656).

The spelling of 55442202201 in words is "fifty-five billion, four hundred forty-two million, two hundred two thousand, two hundred one".