52406406 has 32 divisors (see below), whose sum is σ = 125418720. Its totient is φ = 16124832.

The previous prime is 52406401. The next prime is 52406447. The reversal of 52406406 is 60460425.

It is a happy number.

52406406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52406406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52406401) 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 15 ways as a sum of consecutive naturals, for example, 36625 + ... + 38028.

It is an arithmetic number, because the mean of its divisors is an integer number (3919335).

Almost surely, 2^52406406 is an apocalyptic number.

52406406 is an abundant number, since it is smaller than the sum of its proper divisors (73012314).

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

52406406 is a wasteful number, since it uses less digits than its factorization.

52406406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74677 (or 74671 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52406406 is about 7239.2268924244. The cubic root of 52406406 is about 374.2209747732.

It can be divided in two parts, 52 and 406406, that multiplied together give a palindrome (21133112).

The spelling of 52406406 in words is "fifty-two million, four hundred six thousand, four hundred six".