2756497856 has 56 divisors (see below), whose sum is σ = 6256788096. Its totient is φ = 1180327680.

The previous prime is 2756497847. The next prime is 2756497873. The reversal of 2756497856 is 6587946572.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 2756497795 and 2756497804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744971 + ... + 748661.

Almost surely, 2^2756497856 is an apocalyptic number.

It is an amenable number.

2756497856 is an abundant number, since it is smaller than the sum of its proper divisors (3500290240).

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

2756497856 is a wasteful number, since it uses less digits than its factorization.

2756497856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5367 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The square root of 2756497856 is about 52502.3604802679. The cubic root of 2756497856 is about 1402.1222669337.

The spelling of 2756497856 in words is "two billion, seven hundred fifty-six million, four hundred ninety-seven thousand, eight hundred fifty-six".