53136402 has 16 divisors (see below), whose sum is σ = 115934112. Its totient is φ = 16101920.

The previous prime is 53136397. The next prime is 53136437. The reversal of 53136402 is 20463135.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 402483 + ... + 402614.

It is an arithmetic number, because the mean of its divisors is an integer number (7245882).

Almost surely, 2^53136402 is an apocalyptic number.

53136402 is an abundant number, since it is smaller than the sum of its proper divisors (62797710).

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

53136402 is a wasteful number, since it uses less digits than its factorization.

53136402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805113.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 53136402 is about 7289.4719973397. The cubic root of 53136402 is about 375.9505414424.

Adding to 53136402 its reverse (20463135), we get a palindrome (73599537).

The spelling of 53136402 in words is "fifty-three million, one hundred thirty-six thousand, four hundred two".