53125761503 has 4 divisors (see below), whose sum is σ = 53996675688. Its totient is φ = 52254847320.

The previous prime is 53125761499. The next prime is 53125761587. The reversal of 53125761503 is 30516752135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53125761503 - 2² = 53125761499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53125761593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435457001 + ... + 435457122.

It is an arithmetic number, because the mean of its divisors is an integer number (13499168922).

Almost surely, 2^53125761503 is an apocalyptic number.

53125761503 is a deficient number, since it is larger than the sum of its proper divisors (870914185).

53125761503 is an equidigital number, since it uses as much as digits as its factorization.

53125761503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870914184.

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 53125761503 in words is "fifty-three billion, one hundred twenty-five million, seven hundred sixty-one thousand, five hundred three".