55451411156497 has 2 divisors, whose sum is σ = 55451411156498. Its totient is φ = 55451411156496.

The previous prime is 55451411156489. The next prime is 55451411156567. The reversal of 55451411156497 is 79465111415455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55320407697361 + 131003459136 = 7437769^2 + 361944^2 .

It is a cyclic number.

It is not a de Polignac number, because 55451411156497 - 2³ = 55451411156489 is a prime.

It is a super-2 number, since 2×55451411156497² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55451411156417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27725705578248 + 27725705578249.

It is an arithmetic number, because the mean of its divisors is an integer number (27725705578249).

Almost surely, 2^{55451411156497} is an apocalyptic number.

It is an amenable number.

55451411156497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55451411156497 is an equidigital number, since it uses as much as digits as its factorization.

55451411156497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120000, while the sum is 58.

The spelling of 55451411156497 in words is "fifty-five trillion, four hundred fifty-one billion, four hundred eleven million, one hundred fifty-six thousand, four hundred ninety-seven".