55020164915951 has 2 divisors, whose sum is σ = 55020164915952. Its totient is φ = 55020164915950.

The previous prime is 55020164915909. The next prime is 55020164915977. The reversal of 55020164915951 is 15951946102055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55020164915951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55020164915893 and 55020164915902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55020164914951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27510082457975 + 27510082457976.

It is an arithmetic number, because the mean of its divisors is an integer number (27510082457976).

Almost surely, 2^{55020164915951} is an apocalyptic number.

55020164915951 is a deficient number, since it is larger than the sum of its proper divisors (1).

55020164915951 is an equidigital number, since it uses as much as digits as its factorization.

55020164915951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 53.

The spelling of 55020164915951 in words is "fifty-five trillion, twenty billion, one hundred sixty-four million, nine hundred fifteen thousand, nine hundred fifty-one".