52035991 has 6 divisors (see below), whose sum is σ = 60531720. Its totient is φ = 44602236.

The previous prime is 52035953. The next prime is 52036001. The reversal of 52035991 is 19953025.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-52035991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52035911) 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 in 5 ways as a sum of consecutive naturals, for example, 530931 + ... + 531028.

It is an arithmetic number, because the mean of its divisors is an integer number (10088620).

Almost surely, 2^52035991 is an apocalyptic number.

52035991 is a deficient number, since it is larger than the sum of its proper divisors (8495729).

52035991 is a wasteful number, since it uses less digits than its factorization.

52035991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061973 (or 1061966 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 52035991 is about 7213.5976461125. The cubic root of 52035991 is about 373.3372091612.

The spelling of 52035991 in words is "fifty-two million, thirty-five thousand, nine hundred ninety-one".