54976136197 has 2 divisors, whose sum is σ = 54976136198. Its totient is φ = 54976136196.

The previous prime is 54976136177. The next prime is 54976136213. The reversal of 54976136197 is 79163167945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28861252996 + 26114883201 = 169886^2 + 161601^2 .

It is a cyclic number.

It is not a de Polignac number, because 54976136197 - 2¹¹ = 54976134149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54976136177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27488068098 + 27488068099.

It is an arithmetic number, because the mean of its divisors is an integer number (27488068099).

Almost surely, 2^54976136197 is an apocalyptic number.

It is an amenable number.

54976136197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54976136197 is an equidigital number, since it uses as much as digits as its factorization.

54976136197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 58.

The spelling of 54976136197 in words is "fifty-four billion, nine hundred seventy-six million, one hundred thirty-six thousand, one hundred ninety-seven".