53451451351 has 4 divisors (see below), whose sum is σ = 53507539872. Its totient is φ = 53395362832.

The previous prime is 53451451349. The next prime is 53451451373. The reversal of 53451451351 is 15315415435.

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 53451451351 - 2¹ = 53451451349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53451451351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53451451321) 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, 28042831 + ... + 28044736.

It is an arithmetic number, because the mean of its divisors is an integer number (13376884968).

Almost surely, 2^53451451351 is an apocalyptic number.

53451451351 is a deficient number, since it is larger than the sum of its proper divisors (56088521).

53451451351 is an equidigital number, since it uses as much as digits as its factorization.

53451451351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56088520.

The product of its digits is 90000, while the sum is 37.

Adding to 53451451351 its reverse (15315415435), we get a palindrome (68766866786).

The spelling of 53451451351 in words is "fifty-three billion, four hundred fifty-one million, four hundred fifty-one thousand, three hundred fifty-one".