53537032973 has 2 divisors, whose sum is σ = 53537032974. Its totient is φ = 53537032972.

The previous prime is 53537032951. The next prime is 53537032979. The reversal of 53537032973 is 37923073535.

53537032973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52538599369 + 998433604 = 229213^2 + 31598^2 .

It is a cyclic number.

It is not a de Polignac number, because 53537032973 - 2¹⁰ = 53537031949 is a prime.

It is a super-3 number, since 3×53537032973³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53537032979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26768516486 + 26768516487.

It is an arithmetic number, because the mean of its divisors is an integer number (26768516487).

Almost surely, 2^53537032973 is an apocalyptic number.

It is an amenable number.

53537032973 is a deficient number, since it is larger than the sum of its proper divisors (1).

53537032973 is an equidigital number, since it uses as much as digits as its factorization.

53537032973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1786050, while the sum is 47.

The spelling of 53537032973 in words is "fifty-three billion, five hundred thirty-seven million, thirty-two thousand, nine hundred seventy-three".