51434423135452 has 24 divisors (see below), whose sum is σ = 103259982583296. Its totient is φ = 21959509276848.

The previous prime is 51434423135441. The next prime is 51434423135453. The reversal of 51434423135452 is 25453132443415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51434423135453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492281008 + ... + 3492295735.

It is an arithmetic number, because the mean of its divisors is an integer number (4302499274304).

Almost surely, 2^{51434423135452} is an apocalyptic number.

It is an amenable number.

51434423135452 is an abundant number, since it is smaller than the sum of its proper divisors (51825559447844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51434423135452 is a wasteful number, since it uses less digits than its factorization.

51434423135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984577017 (or 6984577015 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 46.

Adding to 51434423135452 its reverse (25453132443415), we get a palindrome (76887555578867).

The spelling of 51434423135452 in words is "fifty-one trillion, four hundred thirty-four billion, four hundred twenty-three million, one hundred thirty-five thousand, four hundred fifty-two".