53142430 has 64 divisors (see below), whose sum is σ = 112389120. Its totient is φ = 17884800.

The previous prime is 53142389. The next prime is 53142433. The reversal of 53142430 is 3424135.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53142433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97960 + ... + 98500.

It is an arithmetic number, because the mean of its divisors is an integer number (1756080).

Almost surely, 2^53142430 is an apocalyptic number.

53142430 is an abundant number, since it is smaller than the sum of its proper divisors (59246690).

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

53142430 is a wasteful number, since it uses less digits than its factorization.

53142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53142430 is about 7289.8854586338. The cubic root of 53142430 is about 375.9647573351.

Adding to 53142430 its reverse (3424135), we get a palindrome (56566565).

It can be divided in two parts, 5314 and 2430, that added together give a square (7744 = 88²).

The spelling of 53142430 in words is "fifty-three million, one hundred forty-two thousand, four hundred thirty".