51455622655415 has 8 divisors (see below), whose sum is σ = 67360087839888. Its totient is φ = 37422271022080.

The previous prime is 51455622655357. The next prime is 51455622655427.

51455622655415 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 51455622655415 - 2⁴⁰ = 50356111027639 is a prime.

It is a super-2 number, since 2×51455622655415² (a number of 28 digits) contains 22 as substring.

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, 467778387722 + ... + 467778387831.

It is an arithmetic number, because the mean of its divisors is an integer number (8420010979986).

Almost surely, 2^{51455622655415} is an apocalyptic number.

51455622655415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51455622655415 is a deficient number, since it is larger than the sum of its proper divisors (15904465184473).

51455622655415 is a wasteful number, since it uses less digits than its factorization.

51455622655415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935556775569.

The product of its digits is 36000000, while the sum is 56.

The spelling of 51455622655415 in words is "fifty-one trillion, four hundred fifty-five billion, six hundred twenty-two million, six hundred fifty-five thousand, four hundred fifteen".