55325206125161 has 6 divisors (see below), whose sum is σ = 64357892839530. Its totient is φ = 47421605250096.

The previous prime is 55325206125157. The next prime is 55325206125169. The reversal of 55325206125161 is 16152160252355.

It can be written as a sum of positive squares in only one way, i.e., 43832807803225 + 11492398321936 = 6620635^2 + 3390044^2 .

It is not a de Polignac number, because 55325206125161 - 2² = 55325206125157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55325206125169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564542919596 + ... + 564542919693.

It is an arithmetic number, because the mean of its divisors is an integer number (10726315473255).

Almost surely, 2^{55325206125161} is an apocalyptic number.

It is an amenable number.

55325206125161 is a deficient number, since it is larger than the sum of its proper divisors (9032686714369).

55325206125161 is a wasteful number, since it uses less digits than its factorization.

55325206125161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129085839303 (or 1129085839296 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 55325206125161 in words is "fifty-five trillion, three hundred twenty-five billion, two hundred six million, one hundred twenty-five thousand, one hundred sixty-one".