51534211345445 has 8 divisors (see below), whose sum is σ = 61841331961344. Its totient is φ = 41227183511824.

The previous prime is 51534211345361. The next prime is 51534211345577. The reversal of 51534211345445 is 54454311243515.

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 51534211345445 - 2¹⁶ = 51534211279909 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 51534211345445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21967709 + ... + 24200178.

It is an arithmetic number, because the mean of its divisors is an integer number (7730166495168).

Almost surely, 2^{51534211345445} is an apocalyptic number.

It is an amenable number.

51534211345445 is a deficient number, since it is larger than the sum of its proper divisors (10307120615899).

51534211345445 is a wasteful number, since it uses less digits than its factorization.

51534211345445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46391139.

The product of its digits is 2880000, while the sum is 47.

The spelling of 51534211345445 in words is "fifty-one trillion, five hundred thirty-four billion, two hundred eleven million, three hundred forty-five thousand, four hundred forty-five".