53515434 has 32 divisors (see below), whose sum is σ = 127641600. Its totient is φ = 14625072.

The previous prime is 53515391. The next prime is 53515447. The reversal of 53515434 is 43451535.

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 15 ways as a sum of consecutive naturals, for example, 26734 + ... + 28665.

It is an arithmetic number, because the mean of its divisors is an integer number (3988800).

Almost surely, 2^53515434 is an apocalyptic number.

53515434 is an abundant number, since it is smaller than the sum of its proper divisors (74126166).

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

53515434 is a wasteful number, since it uses less digits than its factorization.

53515434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55434.

The product of its digits is 18000, while the sum is 30.

The square root of 53515434 is about 7315.4243896031. The cubic root of 53515434 is about 376.8423331119.

Adding to 53515434 its reverse (43451535), we get a palindrome (96966969).

The spelling of 53515434 in words is "fifty-three million, five hundred fifteen thousand, four hundred thirty-four".