65550055005 has 64 divisors (see below), whose sum is σ = 123217920000. Its totient is φ = 32971219776.

The previous prime is 65550055001. The next prime is 65550055009. The reversal of 65550055005 is 50055005556.

65550055005 is a `hidden beast` number, since 6 + 55 + 50 + 0 + 550 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (65550055001) and next prime (65550055009).

It is not a de Polignac number, because 65550055005 - 2² = 65550055001 is a prime.

It is a super-2 number, since 2×65550055005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65550055001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514696 + ... + 629294.

It is an arithmetic number, because the mean of its divisors is an integer number (1925280000).

Almost surely, 2^65550055005 is an apocalyptic number.

It is an amenable number.

65550055005 is a deficient number, since it is larger than the sum of its proper divisors (57667864995).

65550055005 is a wasteful number, since it uses less digits than its factorization.

65550055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114855 (or 114849 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 65550055005 in words is "sixty-five billion, five hundred fifty million, fifty-five thousand, five".