1055756449 has 16 divisors (see below), whose sum is σ = 1178530560. Its totient is φ = 937605760.

The previous prime is 1055756447. The next prime is 1055756459. The reversal of 1055756449 is 9446575501.

It is a cyclic number.

It is not a de Polignac number, because 1055756449 - 2¹ = 1055756447 is a prime.

It is a super-2 number, since 2×1055756449² = 2229243359210179202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055756399 and 1055756408.

It is not an unprimeable number, because it can be changed into a prime (1055756447) 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, 135549 + ... + 143125.

It is an arithmetic number, because the mean of its divisors is an integer number (73658160).

Almost surely, 2^1055756449 is an apocalyptic number.

It is an amenable number.

1055756449 is a deficient number, since it is larger than the sum of its proper divisors (122774111).

1055756449 is a wasteful number, since it uses less digits than its factorization.

1055756449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880.

The product of its (nonzero) digits is 756000, while the sum is 46.

The square root of 1055756449 is about 32492.4060204842. The cubic root of 1055756449 is about 1018.2503803598.

The spelling of 1055756449 in words is "one billion, fifty-five million, seven hundred fifty-six thousand, four hundred forty-nine".