53530457 has 2 divisors, whose sum is σ = 53530458. Its totient is φ = 53530456.

The previous prime is 53530427. The next prime is 53530471. The reversal of 53530457 is 75403535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 11397376 = 6491^2 + 3376^2 .

It is a cyclic number.

It is not a de Polignac number, because 53530457 - 2¹⁰ = 53529433 is a prime.

It is not a weakly prime, because it can be changed into another prime (53530417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26765228 + 26765229.

It is an arithmetic number, because the mean of its divisors is an integer number (26765229).

Almost surely, 2^53530457 is an apocalyptic number.

It is an amenable number.

53530457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53530457 is an equidigital number, since it uses as much as digits as its factorization.

53530457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53530457 is about 7316.4511205912. The cubic root of 53530457 is about 376.8775925518.

The spelling of 53530457 in words is "fifty-three million, five hundred thirty thousand, four hundred fifty-seven".