55565600355 has 24 divisors (see below), whose sum is σ = 96322039632. Its totient is φ = 29632423104.

The previous prime is 55565600353. The next prime is 55565600407. The reversal of 55565600355 is 55300656555.

55565600355 is a `hidden beast` number, since 5 + 5 + 5 + 6 + 5 + 600 + 35 + 5 = 666.

It is not a de Polignac number, because 55565600355 - 2¹ = 55565600353 is a prime.

It is a super-2 number, since 2×55565600355² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55565600355.

It is not an unprimeable number, because it can be changed into a prime (55565600353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546597 + ... + 640233.

It is an arithmetic number, because the mean of its divisors is an integer number (4013418318).

Almost surely, 2^55565600355 is an apocalyptic number.

55565600355 is a deficient number, since it is larger than the sum of its proper divisors (40756439277).

55565600355 is a wasteful number, since it uses less digits than its factorization.

55565600355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106835 (or 106832 counting only the distinct ones).

The product of its (nonzero) digits is 1687500, while the sum is 45.

The spelling of 55565600355 in words is "fifty-five billion, five hundred sixty-five million, six hundred thousand, three hundred fifty-five".