1049855547 has 18 divisors (see below), whose sum is σ = 1516821852. Its totient is φ = 645615984.

The previous prime is 1049855489. The next prime is 1049855551. The reversal of 1049855547 is 7455589401.

It is a happy number.

It is not a de Polignac number, because 1049855547 - 2²⁶ = 982746683 is a prime.

It is a super-2 number, since 2×1049855547² = 2204393339133338418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1049855496 and 1049855505.

It is not an unprimeable number, because it can be changed into a prime (1049856547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 728854 + ... + 730292.

Almost surely, 2^1049855547 is an apocalyptic number.

1049855547 is a deficient number, since it is larger than the sum of its proper divisors (466966305).

1049855547 is an frugal number, since it uses more digits than its factorization.

1049855547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The square root of 1049855547 is about 32401.4744571910. The cubic root of 1049855547 is about 1016.3497446763.

Multiplying 1049855547 by its sum of digits (48), we get a square (50393066256 = 224484²).

The spelling of 1049855547 in words is "one billion, forty-nine million, eight hundred fifty-five thousand, five hundred forty-seven".