52158091 has 16 divisors (see below), whose sum is σ = 56816640. Its totient is φ = 47698560.

The previous prime is 52158083. The next prime is 52158103. The reversal of 52158091 is 19085125.

It is a cyclic number.

It is not a de Polignac number, because 52158091 - 2³ = 52158083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52158991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95080 + ... + 95626.

It is an arithmetic number, because the mean of its divisors is an integer number (3551040).

Almost surely, 2^52158091 is an apocalyptic number.

52158091 is a deficient number, since it is larger than the sum of its proper divisors (4658549).

52158091 is a wasteful number, since it uses less digits than its factorization.

52158091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 52158091 is about 7222.0558707338. The cubic root of 52158091 is about 373.6289871199.

The spelling of 52158091 in words is "fifty-two million, one hundred fifty-eight thousand, ninety-one".