53135739251 has 4 divisors (see below), whose sum is σ = 60726559152. Its totient is φ = 45544919352.

The previous prime is 53135739233. The next prime is 53135739269. The reversal of 53135739251 is 15293753135.

53135739251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (53135739233) and next prime (53135739269).

It is a cyclic number.

It is not a de Polignac number, because 53135739251 - 2⁶ = 53135739187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53135739211) 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, 3795409940 + ... + 3795409953.

It is an arithmetic number, because the mean of its divisors is an integer number (15181639788).

Almost surely, 2^53135739251 is an apocalyptic number.

53135739251 is a deficient number, since it is larger than the sum of its proper divisors (7590819901).

53135739251 is an equidigital number, since it uses as much as digits as its factorization.

53135739251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590819900.

The product of its digits is 425250, while the sum is 44.

The spelling of 53135739251 in words is "fifty-three billion, one hundred thirty-five million, seven hundred thirty-nine thousand, two hundred fifty-one".