55065063631215 has 32 divisors (see below), whose sum is σ = 96441598342656. Its totient is φ = 26607092466560.

The previous prime is 55065063631213. The next prime is 55065063631267. The reversal of 55065063631215 is 51213636056055.

It is not a de Polignac number, because 55065063631215 - 2¹ = 55065063631213 is a prime.

It is a super-2 number, since 2×55065063631215² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065063631213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569452779 + ... + 569549468.

It is an arithmetic number, because the mean of its divisors is an integer number (3013799948208).

Almost surely, 2^{55065063631215} is an apocalyptic number.

55065063631215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55065063631215 is a deficient number, since it is larger than the sum of its proper divisors (41376534711441).

55065063631215 is a wasteful number, since it uses less digits than its factorization.

55065063631215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139002559.

The product of its (nonzero) digits is 2430000, while the sum is 48.

The spelling of 55065063631215 in words is "fifty-five trillion, sixty-five billion, sixty-three million, six hundred thirty-one thousand, two hundred fifteen".