2755775157 has 16 divisors (see below), whose sum is σ = 3892784832. Its totient is φ = 1728101120.

The previous prime is 2755775131. The next prime is 2755775161. The reversal of 2755775157 is 7515775572.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2755775157 - 2¹¹ = 2755773109 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755775117) 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, 77443 + ... + 107279.

It is an arithmetic number, because the mean of its divisors is an integer number (243299052).

Almost surely, 2^2755775157 is an apocalyptic number.

It is an amenable number.

2755775157 is a deficient number, since it is larger than the sum of its proper divisors (1137009675).

2755775157 is a wasteful number, since it uses less digits than its factorization.

2755775157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31668.

The product of its digits is 3001250, while the sum is 51.

The square root of 2755775157 is about 52495.4774909230. The cubic root of 2755775157 is about 1401.9997200182. Note that the first 3 decimals are identical.

The spelling of 2755775157 in words is "two billion, seven hundred fifty-five million, seven hundred seventy-five thousand, one hundred fifty-seven".