55690867553311 has 2 divisors, whose sum is σ = 55690867553312. Its totient is φ = 55690867553310.

The previous prime is 55690867553309. The next prime is 55690867553369. The reversal of 55690867553311 is 11335576809655.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55690867553311 - 2¹ = 55690867553309 is a prime.

Together with 55690867553309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55690867553911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27845433776655 + 27845433776656.

It is an arithmetic number, because the mean of its divisors is an integer number (27845433776656).

Almost surely, 2^{55690867553311} is an apocalyptic number.

55690867553311 is a deficient number, since it is larger than the sum of its proper divisors (1).

55690867553311 is an equidigital number, since it uses as much as digits as its factorization.

55690867553311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060000, while the sum is 64.

The spelling of 55690867553311 in words is "fifty-five trillion, six hundred ninety billion, eight hundred sixty-seven million, five hundred fifty-three thousand, three hundred eleven".