53552754397 has 2 divisors, whose sum is σ = 53552754398. Its totient is φ = 53552754396.

The previous prime is 53552754379. The next prime is 53552754407. The reversal of 53552754397 is 79345725535.

Together with previous prime (53552754379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37952494596 + 15600259801 = 194814^2 + 124901^2 .

It is a cyclic number.

It is not a de Polignac number, because 53552754397 - 2¹¹ = 53552752349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53552757397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26776377198 + 26776377199.

It is an arithmetic number, because the mean of its divisors is an integer number (26776377199).

Almost surely, 2^53552754397 is an apocalyptic number.

It is an amenable number.

53552754397 is a deficient number, since it is larger than the sum of its proper divisors (1).

53552754397 is an equidigital number, since it uses as much as digits as its factorization.

53552754397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19845000, while the sum is 55.

The spelling of 53552754397 in words is "fifty-three billion, five hundred fifty-two million, seven hundred fifty-four thousand, three hundred ninety-seven".