53694737 has 2 divisors, whose sum is σ = 53694738. Its totient is φ = 53694736.

The previous prime is 53694713. The next prime is 53694743. The reversal of 53694737 is 73749635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 8549776 = 6719^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 53694737 - 2¹⁸ = 53432593 is a prime.

It is not a weakly prime, because it can be changed into another prime (53694757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26847368 + 26847369.

It is an arithmetic number, because the mean of its divisors is an integer number (26847369).

Almost surely, 2^53694737 is an apocalyptic number.

It is an amenable number.

53694737 is a deficient number, since it is larger than the sum of its proper divisors (1).

53694737 is an equidigital number, since it uses as much as digits as its factorization.

53694737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 44.

The square root of 53694737 is about 7327.6692747421. The cubic root of 53694737 is about 377.2627329410.

The spelling of 53694737 in words is "fifty-three million, six hundred ninety-four thousand, seven hundred thirty-seven".