53037060821 has 2 divisors, whose sum is σ = 53037060822. Its totient is φ = 53037060820.

The previous prime is 53037060787. The next prime is 53037060827. The reversal of 53037060821 is 12806073035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50654254225 + 2382806596 = 225065^2 + 48814^2 .

It is a cyclic number.

It is not a de Polignac number, because 53037060821 - 2¹⁰ = 53037059797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53037060827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26518530410 + 26518530411.

It is an arithmetic number, because the mean of its divisors is an integer number (26518530411).

Almost surely, 2^53037060821 is an apocalyptic number.

It is an amenable number.

53037060821 is a deficient number, since it is larger than the sum of its proper divisors (1).

53037060821 is an equidigital number, since it uses as much as digits as its factorization.

53037060821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 53037060821 in words is "fifty-three billion, thirty-seven million, sixty thousand, eight hundred twenty-one".