53431430 has 16 divisors (see below), whose sum is σ = 103575024. Its totient is φ = 19728480.

The previous prime is 53431429. The next prime is 53431447. The reversal of 53431430 is 3413435.

53431430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53431396 and 53431405.

It is a congruent number.

It is an unprimeable number.

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, 205376 + ... + 205635.

It is an arithmetic number, because the mean of its divisors is an integer number (6473439).

Almost surely, 2^53431430 is an apocalyptic number.

53431430 is a deficient number, since it is larger than the sum of its proper divisors (50143594).

53431430 is a wasteful number, since it uses less digits than its factorization.

53431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411031.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53431430 is about 7309.6805675761. The cubic root of 53431430 is about 376.6450514480.

Adding to 53431430 its reverse (3413435), we get a palindrome (56844865).

The spelling of 53431430 in words is "fifty-three million, four hundred thirty-one thousand, four hundred thirty".