53187402 has 16 divisors (see below), whose sum is σ = 106801632. Its totient is φ = 17658000.

The previous prime is 53187401. The next prime is 53187427. The reversal of 53187402 is 20478135.

53187402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53187402.

It is not an unprimeable number, because it can be changed into a prime (53187401) 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 7 ways as a sum of consecutive naturals, for example, 16153 + ... + 19164.

It is an arithmetic number, because the mean of its divisors is an integer number (6675102).

Almost surely, 2^53187402 is an apocalyptic number.

53187402 is an abundant number, since it is smaller than the sum of its proper divisors (53614230).

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

53187402 is a wasteful number, since it uses less digits than its factorization.

53187402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35573.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 53187402 is about 7292.9693541108. The cubic root of 53187402 is about 376.0707813405.

It can be divided in two parts, 5318 and 7402, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 53187402 in words is "fifty-three million, one hundred eighty-seven thousand, four hundred two".