53357573273 has 2 divisors, whose sum is σ = 53357573274. Its totient is φ = 53357573272.

The previous prime is 53357573221. The next prime is 53357573287. The reversal of 53357573273 is 37237575335.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47449037584 + 5908535689 = 217828^2 + 76867^2 .

It is a cyclic number.

It is not a de Polignac number, because 53357573273 - 2¹⁰ = 53357572249 is a prime.

It is not a weakly prime, because it can be changed into another prime (53357573573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26678786636 + 26678786637.

It is an arithmetic number, because the mean of its divisors is an integer number (26678786637).

Almost surely, 2^53357573273 is an apocalyptic number.

It is an amenable number.

53357573273 is a deficient number, since it is larger than the sum of its proper divisors (1).

53357573273 is an equidigital number, since it uses as much as digits as its factorization.

53357573273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6945750, while the sum is 50.

The spelling of 53357573273 in words is "fifty-three billion, three hundred fifty-seven million, five hundred seventy-three thousand, two hundred seventy-three".