52436778 has 8 divisors (see below), whose sum is σ = 104873568. Its totient is φ = 17478924.

The previous prime is 52436771. The next prime is 52436801. The reversal of 52436778 is 87763425.

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

52436778 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52436771) 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 3 ways as a sum of consecutive naturals, for example, 4369726 + ... + 4369737.

It is an arithmetic number, because the mean of its divisors is an integer number (13109196).

Almost surely, 2^52436778 is an apocalyptic number.

52436778 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.

52436778 is a wasteful number, since it uses less digits than its factorization.

52436778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739468.

The product of its digits is 282240, while the sum is 42.

The square root of 52436778 is about 7241.3243263922. The cubic root of 52436778 is about 374.2932537516.

It can be divided in two parts, 5243 and 6778, that added together give a palindrome (12021).

The spelling of 52436778 in words is "fifty-two million, four hundred thirty-six thousand, seven hundred seventy-eight".