2556535552 has 18 divisors (see below), whose sum is σ = 5103085148. Its totient is φ = 1278267648.

The previous prime is 2556535543. The next prime is 2556535561. The reversal of 2556535552 is 2555356552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2556535543) and next prime (2556535561).

It is a junction number, because it is equal to n+sod(n) for n = 2556535499 and 2556535508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992978 + ... + 4993489.

Almost surely, 2^2556535552 is an apocalyptic number.

It is an amenable number.

2556535552 is a deficient number, since it is larger than the sum of its proper divisors (2546549596).

2556535552 is an frugal number, since it uses more digits than its factorization.

2556535552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9986483 (or 9986469 counting only the distinct ones).

The product of its digits is 1125000, while the sum is 43.

The square root of 2556535552 is about 50562.1948890671. The cubic root of 2556535552 is about 1367.3633826402.

The spelling of 2556535552 in words is "two billion, five hundred fifty-six million, five hundred thirty-five thousand, five hundred fifty-two".