55214253727697 has 2 divisors, whose sum is σ = 55214253727698. Its totient is φ = 55214253727696.

The previous prime is 55214253727663. The next prime is 55214253727727. The reversal of 55214253727697 is 79672735241255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31056723996736 + 24157529730961 = 5572856^2 + 4915031^2 .

It is a cyclic number.

It is not a de Polignac number, because 55214253727697 - 2³⁸ = 54939375820753 is a prime.

It is a super-2 number, since 2×55214253727697² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55214253757697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27607126863848 + 27607126863849.

It is an arithmetic number, because the mean of its divisors is an integer number (27607126863849).

Almost surely, 2^{55214253727697} is an apocalyptic number.

It is an amenable number.

55214253727697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55214253727697 is an equidigital number, since it uses as much as digits as its factorization.

55214253727697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264000, while the sum is 65.

The spelling of 55214253727697 in words is "fifty-five trillion, two hundred fourteen billion, two hundred fifty-three million, seven hundred twenty-seven thousand, six hundred ninety-seven".