55442258201 has 12 divisors (see below), whose sum is σ = 60950491476. Its totient is φ = 50393925120.

The previous prime is 55442258161. The next prime is 55442258231. The reversal of 55442258201 is 10285224455.

It can be written as a sum of positive squares in 2 ways, for example, as 29352255625 + 26090002576 = 171325^2 + 161524^2 .

It is not a de Polignac number, because 55442258201 - 2¹⁰ = 55442257177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55442258231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793265 + ... + 860321.

It is an arithmetic number, because the mean of its divisors is an integer number (5079207623).

Almost surely, 2^55442258201 is an apocalyptic number.

It is an amenable number.

55442258201 is a deficient number, since it is larger than the sum of its proper divisors (5508233275).

55442258201 is a wasteful number, since it uses less digits than its factorization.

55442258201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73912 (or 73901 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 38.

The spelling of 55442258201 in words is "fifty-five billion, four hundred forty-two million, two hundred fifty-eight thousand, two hundred one".