52404278 has 8 divisors (see below), whose sum is σ = 78735672. Its totient is φ = 26159056.

The previous prime is 52404277. The next prime is 52404311. The reversal of 52404278 is 87240425.

52404278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52404271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000 + ... + 22467.

It is an arithmetic number, because the mean of its divisors is an integer number (9841959).

Almost surely, 2^52404278 is an apocalyptic number.

52404278 is a deficient number, since it is larger than the sum of its proper divisors (26331394).

52404278 is a wasteful number, since it uses less digits than its factorization.

52404278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43086.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 52404278 is about 7239.0799139117. The cubic root of 52404278 is about 374.2159095335.

The spelling of 52404278 in words is "fifty-two million, four hundred four thousand, two hundred seventy-eight".