55516001005 has 8 divisors (see below), whose sum is σ = 68244060024. Its totient is φ = 43329561600.

The previous prime is 55516000999. The next prime is 55516001041. The reversal of 55516001005 is 50010061555.

It can be written as a sum of positive squares in 4 ways, for example, as 4209673924 + 51306327081 = 64882^2 + 226509^2 .

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

It is not a de Polignac number, because 55516001005 - 2¹³ = 55515992813 is a prime.

It is a super-2 number, since 2×55516001005² (a number of 22 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, 135404676 + ... + 135405085.

It is an arithmetic number, because the mean of its divisors is an integer number (8530507503).

Almost surely, 2^55516001005 is an apocalyptic number.

It is an amenable number.

55516001005 is a deficient number, since it is larger than the sum of its proper divisors (12728059019).

55516001005 is a wasteful number, since it uses less digits than its factorization.

55516001005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270809807.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55516001005 in words is "fifty-five billion, five hundred sixteen million, one thousand, five".