2782557553 has 2 divisors, whose sum is σ = 2782557554. Its totient is φ = 2782557552.

The previous prime is 2782557529. The next prime is 2782557593. The reversal of 2782557553 is 3557552872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2692364544 + 90193009 = 51888^2 + 9497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2782557553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2782557497 and 2782557506.

It is not a weakly prime, because it can be changed into another prime (2782557593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391278776 + 1391278777.

It is an arithmetic number, because the mean of its divisors is an integer number (1391278777).

Almost surely, 2^2782557553 is an apocalyptic number.

It is an amenable number.

2782557553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782557553 is an equidigital number, since it uses as much as digits as its factorization.

2782557553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940000, while the sum is 49.

The square root of 2782557553 is about 52749.9531089839. The cubic root of 2782557553 is about 1406.5269305263.

The spelling of 2782557553 in words is "two billion, seven hundred eighty-two million, five hundred fifty-seven thousand, five hundred fifty-three".