55201102331 has 2 divisors, whose sum is σ = 55201102332. Its totient is φ = 55201102330.

The previous prime is 55201102301. The next prime is 55201102343. The reversal of 55201102331 is 13320110255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55201102331 - 2¹⁸ = 55200840187 is a prime.

It is a super-2 number, since 2×55201102331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55201102297 and 55201102306.

It is not a weakly prime, because it can be changed into another prime (55201102301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27600551165 + 27600551166.

It is an arithmetic number, because the mean of its divisors is an integer number (27600551166).

Almost surely, 2^55201102331 is an apocalyptic number.

55201102331 is a deficient number, since it is larger than the sum of its proper divisors (1).

55201102331 is an equidigital number, since it uses as much as digits as its factorization.

55201102331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 55201102331 its reverse (13320110255), we get a palindrome (68521212586).

The spelling of 55201102331 in words is "fifty-five billion, two hundred one million, one hundred two thousand, three hundred thirty-one".