2355554655 has 16 divisors (see below), whose sum is σ = 4187652960. Its totient is φ = 1256295744.

The previous prime is 2355554653. The next prime is 2355554699. The reversal of 2355554655 is 5564555532.

2355554655 is a `hidden beast` number, since 2 + 3 + 5 + 55 + 546 + 55 = 666.

It is not a de Polignac number, because 2355554655 - 2¹ = 2355554653 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 2355554655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355554653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8724142 + ... + 8724411.

It is an arithmetic number, because the mean of its divisors is an integer number (261728310).

Almost surely, 2^2355554655 is an apocalyptic number.

2355554655 is a deficient number, since it is larger than the sum of its proper divisors (1832098305).

2355554655 is a wasteful number, since it uses less digits than its factorization.

2355554655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448567 (or 17448561 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 45.

The square root of 2355554655 is about 48534.0566509745. The cubic root of 2355554655 is about 1330.5495787791.

It can be divided in two parts, 23555 and 54655, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 2355554655 in words is "two billion, three hundred fifty-five million, five hundred fifty-four thousand, six hundred fifty-five".