1605755055 has 8 divisors (see below), whose sum is σ = 2569208112. Its totient is φ = 856402688.

The previous prime is 1605755029. The next prime is 1605755059. The reversal of 1605755055 is 5505575061.

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

It is a cyclic number.

It is not a de Polignac number, because 1605755055 - 2⁶ = 1605754991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605755059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53525154 + ... + 53525183.

It is an arithmetic number, because the mean of its divisors is an integer number (321151014).

Almost surely, 2^1605755055 is an apocalyptic number.

1605755055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1605755055 is a deficient number, since it is larger than the sum of its proper divisors (963453057).

1605755055 is a wasteful number, since it uses less digits than its factorization.

1605755055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107050345.

The product of its (nonzero) digits is 131250, while the sum is 39.

The square root of 1605755055 is about 40071.8736147937. The cubic root of 1605755055 is about 1171.0077408687.

The spelling of 1605755055 in words is "one billion, six hundred five million, seven hundred fifty-five thousand, fifty-five".