55302200231 has 2 divisors, whose sum is σ = 55302200232. Its totient is φ = 55302200230.

The previous prime is 55302200221. The next prime is 55302200249. The reversal of 55302200231 is 13200220355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55302200231 - 2²² = 55298005927 is a prime.

It is a super-2 number, since 2×55302200231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55302200197 and 55302200206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55302200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651100115 + 27651100116.

It is an arithmetic number, because the mean of its divisors is an integer number (27651100116).

Almost surely, 2^55302200231 is an apocalyptic number.

55302200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

55302200231 is an equidigital number, since it uses as much as digits as its factorization.

55302200231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 55302200231 its reverse (13200220355), we get a palindrome (68502420586).

The spelling of 55302200231 in words is "fifty-five billion, three hundred two million, two hundred thousand, two hundred thirty-one".