52406570 has 16 divisors (see below), whose sum is σ = 94483368. Its totient is φ = 20928960.

The previous prime is 52406537. The next prime is 52406587. The reversal of 52406570 is 7560425.

It can be written as a sum of positive squares in 4 ways, for example, as 48762289 + 3644281 = 6983^2 + 1909^2 .

It is a Curzon 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, 2900 + ... + 10640.

Almost surely, 2^52406570 is an apocalyptic number.

52406570 is a deficient number, since it is larger than the sum of its proper divisors (42076798).

52406570 is a wasteful number, since it uses less digits than its factorization.

52406570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 52406570 is about 7239.2382195919. The cubic root of 52406570 is about 374.2213651337.

Adding to 52406570 its reverse (7560425), we get a palindrome (59966995).

The spelling of 52406570 in words is "fifty-two million, four hundred six thousand, five hundred seventy".