52438818 has 8 divisors (see below), whose sum is σ = 104877648. Its totient is φ = 17479604.

The previous prime is 52438817. The next prime is 52438831. The reversal of 52438818 is 81883425.

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

52438818 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52438811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4369896 + ... + 4369907.

It is an arithmetic number, because the mean of its divisors is an integer number (13109706).

Almost surely, 2^52438818 is an apocalyptic number.

52438818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52438818 is a wasteful number, since it uses less digits than its factorization.

52438818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739808.

The product of its digits is 61440, while the sum is 39.

The square root of 52438818 is about 7241.4651832347. The cubic root of 52438818 is about 374.2981075226.

The spelling of 52438818 in words is "fifty-two million, four hundred thirty-eight thousand, eight hundred eighteen".