53013187757 has 4 divisors (see below), whose sum is σ = 53015471040. Its totient is φ = 53010904476.

The previous prime is 53013187691. The next prime is 53013187781. The reversal of 53013187757 is 75778131035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53013187757 - 2³² = 48718220461 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 (53013187457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106453 + ... + 1153370.

It is an arithmetic number, because the mean of its divisors is an integer number (13253867760).

Almost surely, 2^53013187757 is an apocalyptic number.

It is an amenable number.

53013187757 is a deficient number, since it is larger than the sum of its proper divisors (2283283).

53013187757 is a wasteful number, since it uses less digits than its factorization.

53013187757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283282.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 53013187757 in words is "fifty-three billion, thirteen million, one hundred eighty-seven thousand, seven hundred fifty-seven".