1057443546 has 16 divisors (see below), whose sum is σ = 2166470208. Its totient is φ = 343884000.

The previous prime is 1057443539. The next prime is 1057443581. The reversal of 1057443546 is 6453447501.

It is a happy number.

It is a super-2 number, since 2×1057443546² = 2236373705954108232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149030 + ... + 2149521.

It is an arithmetic number, because the mean of its divisors is an integer number (135404388).

Almost surely, 2^1057443546 is an apocalyptic number.

1057443546 is an abundant number, since it is smaller than the sum of its proper divisors (1109026662).

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

1057443546 is a wasteful number, since it uses less digits than its factorization.

1057443546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298597.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 1057443546 is about 32518.3570618197. The cubic root of 1057443546 is about 1018.7924791601.

The spelling of 1057443546 in words is "one billion, fifty-seven million, four hundred forty-three thousand, five hundred forty-six".