53697379 has 2 divisors, whose sum is σ = 53697380. Its totient is φ = 53697378.

The previous prime is 53697377. The next prime is 53697383. The reversal of 53697379 is 97379635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53697379 - 2¹ = 53697377 is a prime.

It is a super-2 number, since 2×53697379² = 5766817022939282, which contains 22 as substring.

Together with 53697377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53697377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26848689 + 26848690.

It is an arithmetic number, because the mean of its divisors is an integer number (26848690).

Almost surely, 2^53697379 is an apocalyptic number.

53697379 is a deficient number, since it is larger than the sum of its proper divisors (1).

53697379 is an equidigital number, since it uses as much as digits as its factorization.

53697379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071630, while the sum is 49.

The square root of 53697379 is about 7327.8495481280. The cubic root of 53697379 is about 377.2689204611.

The spelling of 53697379 in words is "fifty-three million, six hundred ninety-seven thousand, three hundred seventy-nine".