51532250353 has 4 divisors (see below), whose sum is σ = 52258056768. Its totient is φ = 50806443940.

The previous prime is 51532250327. The next prime is 51532250417. The reversal of 51532250353 is 35305223515.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35305223515 = 5 ⋅7061044703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51532250353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51532257353) 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, 362903101 + ... + 362903242.

It is an arithmetic number, because the mean of its divisors is an integer number (13064514192).

Almost surely, 2^51532250353 is an apocalyptic number.

It is an amenable number.

51532250353 is a deficient number, since it is larger than the sum of its proper divisors (725806415).

51532250353 is an equidigital number, since it uses as much as digits as its factorization.

51532250353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725806414.

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 51532250353 its reverse (35305223515), we get a palindrome (86837473868).

The spelling of 51532250353 in words is "fifty-one billion, five hundred thirty-two million, two hundred fifty thousand, three hundred fifty-three".