1055544405 has 16 divisors (see below), whose sum is σ = 1762300800. Its totient is φ = 538480448.

The previous prime is 1055544403. The next prime is 1055544419. The reversal of 1055544405 is 5044455501.

It is a cyclic number.

It is not a de Polignac number, because 1055544405 - 2¹ = 1055544403 is a prime.

It is a super-2 number, since 2×1055544405² = 2228347981853608050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055544401) 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 15 ways as a sum of consecutive naturals, for example, 1529430 + ... + 1530119.

It is an arithmetic number, because the mean of its divisors is an integer number (110143800).

Almost surely, 2^1055544405 is an apocalyptic number.

1055544405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055544405 is a deficient number, since it is larger than the sum of its proper divisors (706756395).

1055544405 is a wasteful number, since it uses less digits than its factorization.

1055544405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059580.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 1055544405 is about 32489.1428788141. The cubic root of 1055544405 is about 1018.1822054379.

Adding to 1055544405 its reverse (5044455501), we get a palindrome (6099999906).

The spelling of 1055544405 in words is "one billion, fifty-five million, five hundred forty-four thousand, four hundred five".