53421125052523 has 16 divisors (see below), whose sum is σ = 54630616997376. Its totient is φ = 52225691202400.

The previous prime is 53421125052467. The next prime is 53421125052569. The reversal of 53421125052523 is 32525052112435.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53421125052523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53421125002523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13197390 + ... + 16763452.

It is an arithmetic number, because the mean of its divisors is an integer number (3414413562336).

Almost surely, 2^{53421125052523} is an apocalyptic number.

53421125052523 is a deficient number, since it is larger than the sum of its proper divisors (1209491944853).

53421125052523 is a wasteful number, since it uses less digits than its factorization.

53421125052523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568034.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 53421125052523 its reverse (32525052112435), we get a palindrome (85946177164958).

The spelling of 53421125052523 in words is "fifty-three trillion, four hundred twenty-one billion, one hundred twenty-five million, fifty-two thousand, five hundred twenty-three".