53696554157 has 2 divisors, whose sum is σ = 53696554158. Its totient is φ = 53696554156.

The previous prime is 53696554123. The next prime is 53696554159. The reversal of 53696554157 is 75145569635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52884361156 + 812193001 = 229966^2 + 28499^2 .

It is a cyclic number.

It is not a de Polignac number, because 53696554157 - 2¹⁶ = 53696488621 is a prime.

Together with 53696554159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53696554159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26848277078 + 26848277079.

It is an arithmetic number, because the mean of its divisors is an integer number (26848277079).

Almost surely, 2^53696554157 is an apocalyptic number.

It is an amenable number.

53696554157 is a deficient number, since it is larger than the sum of its proper divisors (1).

53696554157 is an equidigital number, since it uses as much as digits as its factorization.

53696554157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010000, while the sum is 56.

The spelling of 53696554157 in words is "fifty-three billion, six hundred ninety-six million, five hundred fifty-four thousand, one hundred fifty-seven".