55161002207 has 2 divisors, whose sum is σ = 55161002208. Its totient is φ = 55161002206.

The previous prime is 55161002201. The next prime is 55161002227. The reversal of 55161002207 is 70220016155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55161002207 - 2³⁴ = 37981133023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55161002207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55161002201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27580501103 + 27580501104.

It is an arithmetic number, because the mean of its divisors is an integer number (27580501104).

Almost surely, 2^55161002207 is an apocalyptic number.

55161002207 is a deficient number, since it is larger than the sum of its proper divisors (1).

55161002207 is an equidigital number, since it uses as much as digits as its factorization.

55161002207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 55161002207 in words is "fifty-five billion, one hundred sixty-one million, two thousand, two hundred seven".