55438222283453 has 2 divisors, whose sum is σ = 55438222283454. Its totient is φ = 55438222283452.

The previous prime is 55438222283377. The next prime is 55438222283551. The reversal of 55438222283453 is 35438222283455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38493127544089 + 16945094739364 = 6204283^2 + 4116442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55438222283453 is a prime.

It is a super-2 number, since 2×55438222283453² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55438222283053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27719111141726 + 27719111141727.

It is an arithmetic number, because the mean of its divisors is an integer number (27719111141727).

Almost surely, 2^{55438222283453} is an apocalyptic number.

It is an amenable number.

55438222283453 is a deficient number, since it is larger than the sum of its proper divisors (1).

55438222283453 is an equidigital number, since it uses as much as digits as its factorization.

55438222283453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296000, while the sum is 56.

The spelling of 55438222283453 in words is "fifty-five trillion, four hundred thirty-eight billion, two hundred twenty-two million, two hundred eighty-three thousand, four hundred fifty-three".