52158194 has 16 divisors (see below), whose sum is σ = 85488480. Its totient is φ = 23669760.

The previous prime is 52158167. The next prime is 52158251. The reversal of 52158194 is 49185125.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15377 + ... + 18459.

It is an arithmetic number, because the mean of its divisors is an integer number (5343030).

Almost surely, 2^52158194 is an apocalyptic number.

52158194 is a deficient number, since it is larger than the sum of its proper divisors (33330286).

52158194 is a wasteful number, since it uses less digits than its factorization.

52158194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865.

The product of its digits is 14400, while the sum is 35.

The square root of 52158194 is about 7222.0630016637. The cubic root of 52158194 is about 373.6292330629.

The spelling of 52158194 in words is "fifty-two million, one hundred fifty-eight thousand, one hundred ninety-four".