54251645501 has 2 divisors, whose sum is σ = 54251645502. Its totient is φ = 54251645500.

The previous prime is 54251645467. The next prime is 54251645527. The reversal of 54251645501 is 10554615245.

54251645501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47641792900 + 6609852601 = 218270^2 + 81301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54251645501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54251648501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27125822750 + 27125822751.

It is an arithmetic number, because the mean of its divisors is an integer number (27125822751).

Almost surely, 2^54251645501 is an apocalyptic number.

It is an amenable number.

54251645501 is a deficient number, since it is larger than the sum of its proper divisors (1).

54251645501 is an equidigital number, since it uses as much as digits as its factorization.

54251645501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 54251645501 in words is "fifty-four billion, two hundred fifty-one million, six hundred forty-five thousand, five hundred one".