54979849579201 has 2 divisors, whose sum is σ = 54979849579202. Its totient is φ = 54979849579200.

The previous prime is 54979849579147. The next prime is 54979849579231. The reversal of 54979849579201 is 10297594897945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39391376825025 + 15588472754176 = 6276255^2 + 3948224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54979849579201 is a prime.

It is not a weakly prime, because it can be changed into another prime (54979849579231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27489924789600 + 27489924789601.

It is an arithmetic number, because the mean of its divisors is an integer number (27489924789601).

Almost surely, 2^{54979849579201} is an apocalyptic number.

It is an amenable number.

54979849579201 is a deficient number, since it is larger than the sum of its proper divisors (1).

54979849579201 is an equidigital number, since it uses as much as digits as its factorization.

54979849579201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2057529600, while the sum is 79.

The spelling of 54979849579201 in words is "fifty-four trillion, nine hundred seventy-nine billion, eight hundred forty-nine million, five hundred seventy-nine thousand, two hundred one".