1055505549 has 16 divisors (see below), whose sum is σ = 1651860608. Its totient is φ = 586844352.

The previous prime is 1055505511. The next prime is 1055505551. The reversal of 1055505549 is 9455055501.

It is not a de Polignac number, because 1055505549 - 2⁹ = 1055505037 is a prime.

It is a super-2 number, since 2×1055505549² = 2228183927939582802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055505559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678442 + ... + 679995.

It is an arithmetic number, because the mean of its divisors is an integer number (103241288).

Almost surely, 2^1055505549 is an apocalyptic number.

It is an amenable number.

1055505549 is a deficient number, since it is larger than the sum of its proper divisors (596355059).

1055505549 is a wasteful number, since it uses less digits than its factorization.

1055505549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358484.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 1055505549 is about 32488.5448889297. The cubic root of 1055505549 is about 1018.1697117354.

The spelling of 1055505549 in words is "one billion, fifty-five million, five hundred five thousand, five hundred forty-nine".