1057576534 has 24 divisors (see below), whose sum is σ = 1844322768. Its totient is φ = 445544400.

The previous prime is 1057576517. The next prime is 1057576543. The reversal of 1057576534 is 4356757501.

It is a super-2 number, since 2×1057576534² = 2236936250534906312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37884 + ... + 59584.

It is an arithmetic number, because the mean of its divisors is an integer number (76846782).

Almost surely, 2^1057576534 is an apocalyptic number.

1057576534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1057576534 is a deficient number, since it is larger than the sum of its proper divisors (786746234).

1057576534 is an equidigital number, since it uses as much as digits as its factorization.

1057576534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828 (or 21769 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The square root of 1057576534 is about 32520.4018117858. The cubic root of 1057576534 is about 1018.8351864029.

The spelling of 1057576534 in words is "one billion, fifty-seven million, five hundred seventy-six thousand, five hundred thirty-four".