55000505000506 has 64 divisors (see below), whose sum is σ = 91959075532800. Its totient is φ = 24500119633920.

The previous prime is 55000505000443. The next prime is 55000505000509. The reversal of 55000505000506 is 60500050500055.

It is a super-2 number, since 2×55000505000506² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (55000505000509) 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, 822551631 + ... + 822618493.

It is an arithmetic number, because the mean of its divisors is an integer number (1436860555200).

Almost surely, 2^{55000505000506} is an apocalyptic number.

55000505000506 is a deficient number, since it is larger than the sum of its proper divisors (36958570532294).

55000505000506 is a wasteful number, since it uses less digits than its factorization.

55000505000506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69631.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55000505000506 in words is "fifty-five trillion, five hundred five million, five hundred six", and thus it is an aban number.