2159755 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1577088.

The previous prime is 2159719. The next prime is 2159767. The reversal of 2159755 is 5579512.

It is a cyclic number.

It is not a de Polignac number, because 2159755 - 2⁷ = 2159627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2159755.

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, 9574 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2159755 is an apocalyptic number.

2159755 is a deficient number, since it is larger than the sum of its proper divisors (662645).

2159755 is a wasteful number, since it uses less digits than its factorization.

2159755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its digits is 15750, while the sum is 34.

The square root of 2159755 is about 1469.6104926136. The cubic root of 2159755 is about 129.2611938421.

The spelling of 2159755 in words is "two million, one hundred fifty-nine thousand, seven hundred fifty-five".