52400194 has 16 divisors (see below), whose sum is σ = 97995456. Its totient is φ = 20415600.

The previous prime is 52400189. The next prime is 52400197. The reversal of 52400194 is 49100425.

It is not an unprimeable number, because it can be changed into a prime (52400197) 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 7 ways as a sum of consecutive naturals, for example, 169977 + ... + 170284.

It is an arithmetic number, because the mean of its divisors is an integer number (6124716).

Almost surely, 2^52400194 is an apocalyptic number.

52400194 is a deficient number, since it is larger than the sum of its proper divisors (45595262).

52400194 is a wasteful number, since it uses less digits than its factorization.

52400194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340281.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 52400194 is about 7238.7978283690. The cubic root of 52400194 is about 374.2061880786.

The spelling of 52400194 in words is "fifty-two million, four hundred thousand, one hundred ninety-four".