51304250540453 has 4 divisors (see below), whose sum is σ = 51590866465440. Its totient is φ = 51017634615468.

The previous prime is 51304250540441. The next prime is 51304250540461. The reversal of 51304250540453 is 35404505240315.

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 51304250540453 - 2¹⁰ = 51304250539429 is a prime.

It is a super-2 number, since 2×51304250540453² (a number of 28 digits) contains 22 as substring.

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 51304250540453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51304253540453) 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, 143307962225 + ... + 143307962582.

It is an arithmetic number, because the mean of its divisors is an integer number (12897716616360).

Almost surely, 2^{51304250540453} is an apocalyptic number.

It is an amenable number.

51304250540453 is a deficient number, since it is larger than the sum of its proper divisors (286615924987).

51304250540453 is a wasteful number, since it uses less digits than its factorization.

51304250540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286615924986.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 51304250540453 its reverse (35404505240315), we get a palindrome (86708755780768).

The spelling of 51304250540453 in words is "fifty-one trillion, three hundred four billion, two hundred fifty million, five hundred forty thousand, four hundred fifty-three".