55214400213481 has 2 divisors, whose sum is σ = 55214400213482. Its totient is φ = 55214400213480.

The previous prime is 55214400213389. The next prime is 55214400213503. The reversal of 55214400213481 is 18431200441255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51335505414400 + 3878894799081 = 7164880^2 + 1969491^2 .

It is a cyclic number.

It is not a de Polignac number, because 55214400213481 - 2¹⁹ = 55214399689193 is a prime.

It is a super-2 number, since 2×55214400213481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55214400214481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27607200106740 + 27607200106741.

It is an arithmetic number, because the mean of its divisors is an integer number (27607200106741).

Almost surely, 2^{55214400213481} is an apocalyptic number.

It is an amenable number.

55214400213481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55214400213481 is an equidigital number, since it uses as much as digits as its factorization.

55214400213481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 55214400213481 in words is "fifty-five trillion, two hundred fourteen billion, four hundred million, two hundred thirteen thousand, four hundred eighty-one".