53932691 has 2 divisors, whose sum is σ = 53932692. Its totient is φ = 53932690.

The previous prime is 53932673. The next prime is 53932733. The reversal of 53932691 is 19623935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53932691 - 2²² = 49738387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53932651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26966345 + 26966346.

It is an arithmetic number, because the mean of its divisors is an integer number (26966346).

Almost surely, 2^53932691 is an apocalyptic number.

53932691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53932691 is an equidigital number, since it uses as much as digits as its factorization.

53932691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 38.

The square root of 53932691 is about 7343.8880029587. Note that the first 3 decimals coincide. The cubic root of 53932691 is about 377.8192051807.

The spelling of 53932691 in words is "fifty-three million, nine hundred thirty-two thousand, six hundred ninety-one".