51755866855715 has 16 divisors (see below), whose sum is σ = 67766548962816. Its totient is φ = 37633178124000.

The previous prime is 51755866855703. The next prime is 51755866855727.

51755866855715 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51755866855703) and next prime (51755866855727).

It is not a de Polignac number, because 51755866855715 - 2⁴ = 51755866855699 is a prime.

It is a super-2 number, since 2×51755866855715² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92873627 + ... + 93429236.

It is an arithmetic number, because the mean of its divisors is an integer number (4235409310176).

Almost surely, 2^{51755866855715} is an apocalyptic number.

51755866855715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51755866855715 is a deficient number, since it is larger than the sum of its proper divisors (16010682107101).

51755866855715 is a wasteful number, since it uses less digits than its factorization.

51755866855715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186307930.

The product of its digits is 1764000000, while the sum is 74.

The spelling of 51755866855715 in words is "fifty-one trillion, seven hundred fifty-five billion, eight hundred sixty-six million, eight hundred fifty-five thousand, seven hundred fifteen".