51342554420551 has 8 divisors (see below), whose sum is σ = 53897050022400. Its totient is φ = 48844201579320.

The previous prime is 51342554420539. The next prime is 51342554420587. The reversal of 51342554420551 is 15502445524315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51342554420551 - 2²³ = 51342546031943 is a prime.

It is a super-2 number, since 2×51342554420551² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342554430551) 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, 14035688281 + ... + 14035691938.

It is an arithmetic number, because the mean of its divisors is an integer number (6737131252800).

Almost surely, 2^{51342554420551} is an apocalyptic number.

51342554420551 is a deficient number, since it is larger than the sum of its proper divisors (2554495601849).

51342554420551 is a wasteful number, since it uses less digits than its factorization.

51342554420551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28071380309.

The product of its (nonzero) digits is 2400000, while the sum is 46.

Adding to 51342554420551 its reverse (15502445524315), we get a palindrome (66844999944866).

The spelling of 51342554420551 in words is "fifty-one trillion, three hundred forty-two billion, five hundred fifty-four million, four hundred twenty thousand, five hundred fifty-one".