51455066055415 has 32 divisors (see below), whose sum is σ = 71324875835136. Its totient is φ = 35218999042560.

The previous prime is 51455066055389. The next prime is 51455066055431.

51455066055415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51455066055415 - 2²⁹ = 51454529184503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19797744 + ... + 22245466.

It is an arithmetic number, because the mean of its divisors is an integer number (2228902369848).

Almost surely, 2^{51455066055415} is an apocalyptic number.

51455066055415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51455066055415 is a deficient number, since it is larger than the sum of its proper divisors (19869809779721).

51455066055415 is a wasteful number, since it uses less digits than its factorization.

51455066055415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470239.

The product of its (nonzero) digits is 9000000, while the sum is 52.

The spelling of 51455066055415 in words is "fifty-one trillion, four hundred fifty-five billion, sixty-six million, fifty-five thousand, four hundred fifteen".