52105402 has 8 divisors (see below), whose sum is σ = 80853300. Its totient is φ = 25154304.

The previous prime is 52105399. The next prime is 52105439. The reversal of 52105402 is 20450125.

It can be written as a sum of positive squares in 2 ways, for example, as 51854401 + 251001 = 7201^2 + 501^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 52105402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449127 + ... + 449242.

Almost surely, 2^52105402 is an apocalyptic number.

52105402 is a deficient number, since it is larger than the sum of its proper divisors (28747898).

52105402 is a wasteful number, since it uses less digits than its factorization.

52105402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898400.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52105402 is about 7218.4071650192. The cubic root of 52105402 is about 373.5031340331.

Adding to 52105402 its reverse (20450125), we get a palindrome (72555527).

The spelling of 52105402 in words is "fifty-two million, one hundred five thousand, four hundred two".