52319691 has 12 divisors (see below), whose sum is σ = 77330968. Its totient is φ = 34068384.

The previous prime is 52319669. The next prime is 52319713. The reversal of 52319691 is 19691325.

It is an interprime number because it is at equal distance from previous prime (52319669) and next prime (52319713).

It is not a de Polignac number, because 52319691 - 2⁶ = 52319627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52319621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67210 + ... + 67983.

Almost surely, 2^52319691 is an apocalyptic number.

52319691 is a deficient number, since it is larger than the sum of its proper divisors (25011277).

52319691 is a wasteful number, since it uses less digits than its factorization.

52319691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135242 (or 135239 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 52319691 is about 7233.2351683047. The cubic root of 52319691 is about 374.0144574849.

The spelling of 52319691 in words is "fifty-two million, three hundred nineteen thousand, six hundred ninety-one".