52045537 has 2 divisors, whose sum is σ = 52045538. Its totient is φ = 52045536.

The previous prime is 52045519. The next prime is 52045583. The reversal of 52045537 is 73554025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47900241 + 4145296 = 6921^2 + 2036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52045537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52045499 and 52045508.

It is not a weakly prime, because it can be changed into another prime (52045507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26022768 + 26022769.

It is an arithmetic number, because the mean of its divisors is an integer number (26022769).

Almost surely, 2^52045537 is an apocalyptic number.

It is an amenable number.

52045537 is a deficient number, since it is larger than the sum of its proper divisors (1).

52045537 is an equidigital number, since it uses as much as digits as its factorization.

52045537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 52045537 is about 7214.2592828370. The cubic root of 52045537 is about 373.3600373295.

The spelling of 52045537 in words is "fifty-two million, forty-five thousand, five hundred thirty-seven".