1055443249 has 16 divisors (see below), whose sum is σ = 1284336000. Its totient is φ = 846676224.

The previous prime is 1055443237. The next prime is 1055443273. The reversal of 1055443249 is 9423445501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1055443249 - 2⁷ = 1055443121 is a prime.

It is a super-2 number, since 2×1055443249² = 2227920903719352002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055443229) 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, 3474 + ... + 46075.

It is an arithmetic number, because the mean of its divisors is an integer number (80271000).

Almost surely, 2^1055443249 is an apocalyptic number.

It is an amenable number.

1055443249 is a deficient number, since it is larger than the sum of its proper divisors (228892751).

1055443249 is a wasteful number, since it uses less digits than its factorization.

1055443249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49752.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1055443249 is about 32487.5860752996. The cubic root of 1055443249 is about 1018.1496792429.

It can be divided in two parts, 105 and 5443249, that multiplied together give a triangular number (571541145 = T₃₃₈₀₉).

The spelling of 1055443249 in words is "one billion, fifty-five million, four hundred forty-three thousand, two hundred forty-nine".