53425430503503 has 24 divisors (see below), whose sum is σ = 75672088886160. Its totient is φ = 33521188608000.

The previous prime is 53425430503483. The next prime is 53425430503559. The reversal of 53425430503503 is 30530503452435.

It is not a de Polignac number, because 53425430503503 - 2²¹ = 53425428406351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53425430502503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46248313 + ... + 47389421.

It is an arithmetic number, because the mean of its divisors is an integer number (3153003703590).

Almost surely, 2^{53425430503503} is an apocalyptic number.

53425430503503 is a deficient number, since it is larger than the sum of its proper divisors (22246658382657).

53425430503503 is a wasteful number, since it uses less digits than its factorization.

53425430503503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195147 (or 1195130 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 42.

Adding to 53425430503503 its reverse (30530503452435), we get a palindrome (83955933955938).

The spelling of 53425430503503 in words is "fifty-three trillion, four hundred twenty-five billion, four hundred thirty million, five hundred three thousand, five hundred three".