52406000 has 40 divisors (see below), whose sum is σ = 126722544. Its totient is φ = 20961600.

The previous prime is 52405981. The next prime is 52406017. The reversal of 52406000 is 60425.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 52406000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11102 + ... + 15101.

Almost surely, 2^52406000 is an apocalyptic number.

52406000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52406000 is an abundant number, since it is smaller than the sum of its proper divisors (74316544).

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

52406000 is a wasteful number, since it uses less digits than its factorization.

52406000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26226 (or 26210 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 52406000 is about 7239.1988507016. The cubic root of 52406000 is about 374.2200083894.

Adding to 52406000 its reverse (60425), we get a palindrome (52466425).

The spelling of 52406000 in words is "fifty-two million, four hundred six thousand".