51662327620255 has 16 divisors (see below), whose sum is σ = 67632559092864. Its totient is φ = 37571559870880.

The previous prime is 51662327620133. The next prime is 51662327620259. The reversal of 51662327620255 is 55202672326615.

It is not a de Polignac number, because 51662327620255 - 2⁹ = 51662327619743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51662327620259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11021497 + ... + 14993266.

It is an arithmetic number, because the mean of its divisors is an integer number (4227034943304).

Almost surely, 2^{51662327620255} is an apocalyptic number.

51662327620255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51662327620255 is a deficient number, since it is larger than the sum of its proper divisors (15970231472609).

51662327620255 is a wasteful number, since it uses less digits than its factorization.

51662327620255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26050886.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 51662327620255 in words is "fifty-one trillion, six hundred sixty-two billion, three hundred twenty-seven million, six hundred twenty thousand, two hundred fifty-five".