53694757 has 2 divisors, whose sum is σ = 53694758. Its totient is φ = 53694756.

The previous prime is 53694749. The next prime is 53694763. The reversal of 53694757 is 75749635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53450721 + 244036 = 7311^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 53694757 - 2³ = 53694749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53694737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26847378 + 26847379.

It is an arithmetic number, because the mean of its divisors is an integer number (26847379).

Almost surely, 2^53694757 is an apocalyptic number.

It is an amenable number.

53694757 is a deficient number, since it is larger than the sum of its proper divisors (1).

53694757 is an equidigital number, since it uses as much as digits as its factorization.

53694757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 46.

The square root of 53694757 is about 7327.6706394324. The cubic root of 53694757 is about 377.2627797814.

The spelling of 53694757 in words is "fifty-three million, six hundred ninety-four thousand, seven hundred fifty-seven".