55690045667 has 2 divisors, whose sum is σ = 55690045668. Its totient is φ = 55690045666.

The previous prime is 55690045651. The next prime is 55690045669. The reversal of 55690045667 is 76654009655.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55690045667 - 2⁴ = 55690045651 is a prime.

Together with 55690045669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55690045669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27845022833 + 27845022834.

It is an arithmetic number, because the mean of its divisors is an integer number (27845022834).

Almost surely, 2^55690045667 is an apocalyptic number.

55690045667 is a deficient number, since it is larger than the sum of its proper divisors (1).

55690045667 is an equidigital number, since it uses as much as digits as its factorization.

55690045667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 55690045667 in words is "fifty-five billion, six hundred ninety million, forty-five thousand, six hundred sixty-seven".