1055731544 has 32 divisors (see below), whose sum is σ = 2340295200. Its totient is φ = 436853760.

The previous prime is 1055731543. The next prime is 1055731597. The reversal of 1055731544 is 4451375501.

It is a happy number.

It is a super-2 number, since 2×1055731544² = 2229138185993247872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055731543) 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 7 ways as a sum of consecutive naturals, for example, 323417 + ... + 326664.

It is an arithmetic number, because the mean of its divisors is an integer number (73134225).

Almost surely, 2^1055731544 is an apocalyptic number.

1055731544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1055731544 is an abundant number, since it is smaller than the sum of its proper divisors (1284563656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055731544 is a wasteful number, since it uses less digits than its factorization.

1055731544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650123 (or 650119 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1055731544 is about 32492.0227748289. The cubic root of 1055731544 is about 1018.2423735494.

The spelling of 1055731544 in words is "one billion, fifty-five million, seven hundred thirty-one thousand, five hundred forty-four".