55660405045 has 16 divisors (see below), whose sum is σ = 76374984960. Its totient is φ = 38146777344.

The previous prime is 55660404997. The next prime is 55660405063. The reversal of 55660405045 is 54050406655.

It is a cyclic number.

It is not a de Polignac number, because 55660405045 - 2¹¹ = 55660402997 is a prime.

It is a super-2 number, since 2×55660405045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55660404989 and 55660405007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357412 + ... + 488941.

It is an arithmetic number, because the mean of its divisors is an integer number (4773436560).

Almost surely, 2^55660405045 is an apocalyptic number.

It is an amenable number.

55660405045 is a deficient number, since it is larger than the sum of its proper divisors (20714579915).

55660405045 is a wasteful number, since it uses less digits than its factorization.

55660405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848244.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 55660405045 in words is "fifty-five billion, six hundred sixty million, four hundred five thousand, forty-five".