53537730247 has 2 divisors, whose sum is σ = 53537730248. Its totient is φ = 53537730246.

The previous prime is 53537730227. The next prime is 53537730283. The reversal of 53537730247 is 74203773535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53537730247 - 2³⁵ = 19177991879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53537730197 and 53537730206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53537730217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26768865123 + 26768865124.

It is an arithmetic number, because the mean of its divisors is an integer number (26768865124).

Almost surely, 2^53537730247 is an apocalyptic number.

53537730247 is a deficient number, since it is larger than the sum of its proper divisors (1).

53537730247 is an equidigital number, since it uses as much as digits as its factorization.

53537730247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 46.

The spelling of 53537730247 in words is "fifty-three billion, five hundred thirty-seven million, seven hundred thirty thousand, two hundred forty-seven".