1057839852 has 54 divisors (see below), whose sum is σ = 2541059724. Its totient is φ = 342510720.

The previous prime is 1057839847. The next prime is 1057839929. The reversal of 1057839852 is 2589387501.

It is a super-2 number, since 2×1057839852² = 2238050304958763808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4619274 + ... + 4619502.

Almost surely, 2^1057839852 is an apocalyptic number.

1057839852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1057839852 is an abundant number, since it is smaller than the sum of its proper divisors (1483219872).

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

1057839852 is an equidigital number, since it uses as much as digits as its factorization.

1057839852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 1057839852 is about 32524.4500645284. The cubic root of 1057839852 is about 1018.9197367475.

Multiplying 1057839852 by its sum of digits (48), we get a square (50776312896 = 225336²).

The spelling of 1057839852 in words is "one billion, fifty-seven million, eight hundred thirty-nine thousand, eight hundred fifty-two".