51086518480055 has 8 divisors (see below), whose sum is σ = 62799037351344. Its totient is φ = 39872404667200.

The previous prime is 51086518480027. The next prime is 51086518480061. The reversal of 51086518480055 is 55008481568015.

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

It is not a de Polignac number, because 51086518480055 - 2¹⁴ = 51086518463671 is a prime.

It is a Duffinian number.

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, 124601264381 + ... + 124601264790.

It is an arithmetic number, because the mean of its divisors is an integer number (7849879668918).

Almost surely, 2^{51086518480055} is an apocalyptic number.

51086518480055 is a deficient number, since it is larger than the sum of its proper divisors (11712518871289).

51086518480055 is a wasteful number, since it uses less digits than its factorization.

51086518480055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249202529217.

The product of its (nonzero) digits is 7680000, while the sum is 56.

The spelling of 51086518480055 in words is "fifty-one trillion, eighty-six billion, five hundred eighteen million, four hundred eighty thousand, fifty-five".