1057671552 has 64 divisors (see below), whose sum is σ = 3210796800. Its totient is φ = 302191104.

The previous prime is 1057671533. The next prime is 1057671611. The reversal of 1057671552 is 2551767501.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1057671552² = 2237338223820177408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057671552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194052 + ... + 199427.

It is an arithmetic number, because the mean of its divisors is an integer number (50168700).

Almost surely, 2^1057671552 is an apocalyptic number.

1057671552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1057671552 is an abundant number, since it is smaller than the sum of its proper divisors (2153125248).

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

1057671552 is an equidigital number, since it uses as much as digits as its factorization.

1057671552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393503 (or 393491 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 39.

The square root of 1057671552 is about 32521.8626772822. The cubic root of 1057671552 is about 1018.8656979166.

It can be divided in two parts, 10576 and 71552, that added together give a palindrome (82128).

The spelling of 1057671552 in words is "one billion, fifty-seven million, six hundred seventy-one thousand, five hundred fifty-two".