53530537 has 2 divisors, whose sum is σ = 53530538. Its totient is φ = 53530536.

The previous prime is 53530531. The next prime is 53530541. The reversal of 53530537 is 73503535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38638656 + 14891881 = 6216^2 + 3859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53530537 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53530499 and 53530508.

It is not a weakly prime, because it can be changed into another prime (53530531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26765268 + 26765269.

It is an arithmetic number, because the mean of its divisors is an integer number (26765269).

Almost surely, 2^53530537 is an apocalyptic number.

It is an amenable number.

53530537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53530537 is an equidigital number, since it uses as much as digits as its factorization.

53530537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 31.

The square root of 53530537 is about 7316.4565877206. The cubic root of 53530537 is about 376.8777802966.

The spelling of 53530537 in words is "fifty-three million, five hundred thirty thousand, five hundred thirty-seven".