53204537 has 2 divisors, whose sum is σ = 53204538. Its totient is φ = 53204536.

The previous prime is 53204533. The next prime is 53204563. The reversal of 53204537 is 73540235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 11162281 = 6484^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 53204537 - 2² = 53204533 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53204533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602268 + 26602269.

It is an arithmetic number, because the mean of its divisors is an integer number (26602269).

Almost surely, 2^53204537 is an apocalyptic number.

It is an amenable number.

53204537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53204537 is an equidigital number, since it uses as much as digits as its factorization.

53204537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 53204537 is about 7294.1440210624. The cubic root of 53204537 is about 376.1111623374. Note that the first 4 decimals are identical.

The spelling of 53204537 in words is "fifty-three million, two hundred four thousand, five hundred thirty-seven".