53503434 has 24 divisors (see below), whose sum is σ = 119922660. Its totient is φ = 17219328.

The previous prime is 53503433. The next prime is 53503441. The reversal of 53503434 is 43430535.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52056225 + 1447209 = 7215^2 + 1203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53503398 and 53503407.

It is not an unprimeable number, because it can be changed into a prime (53503433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50727 + ... + 51770.

Almost surely, 2^53503434 is an apocalyptic number.

53503434 is an abundant number, since it is smaller than the sum of its proper divisors (66419226).

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

53503434 is a wasteful number, since it uses less digits than its factorization.

53503434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102534 (or 102531 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53503434 is about 7314.6041588045. The cubic root of 53503434 is about 376.8141640043.

Adding to 53503434 its reverse (43430535), we get a palindrome (96933969).

The spelling of 53503434 in words is "fifty-three million, five hundred three thousand, four hundred thirty-four".