2755787136 has 64 divisors (see below), whose sum is σ = 7638347520. Its totient is φ = 878653952.

The previous prime is 2755787131. The next prime is 2755787183. The reversal of 2755787136 is 6317875572.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755787131) 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, 147180 + ... + 164843.

It is an arithmetic number, because the mean of its divisors is an integer number (119349180).

Almost surely, 2^2755787136 is an apocalyptic number.

It is an amenable number.

2755787136 is an abundant number, since it is smaller than the sum of its proper divisors (4882560384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2755787136 is a wasteful number, since it uses less digits than its factorization.

2755787136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312063 (or 312051 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 51.

The square root of 2755787136 is about 52495.5915863418. The cubic root of 2755787136 is about 1402.0017514527.

The spelling of 2755787136 in words is "two billion, seven hundred fifty-five million, seven hundred eighty-seven thousand, one hundred thirty-six".