51616656055527 has 8 divisors (see below), whose sum is σ = 70120740302064. Its totient is φ = 33761837923008.

The previous prime is 51616656055507. The next prime is 51616656055663. The reversal of 51616656055527 is 72555065661615.

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

It is not a de Polignac number, because 51616656055527 - 2⁴³ = 42820563033319 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51616656055507) 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, 162316528318 + ... + 162316528635.

It is an arithmetic number, because the mean of its divisors is an integer number (8765092537758).

Almost surely, 2^{51616656055527} is an apocalyptic number.

51616656055527 is a deficient number, since it is larger than the sum of its proper divisors (18504084246537).

51616656055527 is a wasteful number, since it uses less digits than its factorization.

51616656055527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324633057009.

The product of its (nonzero) digits is 56700000, while the sum is 60.

The spelling of 51616656055527 in words is "fifty-one trillion, six hundred sixteen billion, six hundred fifty-six million, fifty-five thousand, five hundred twenty-seven".