1057047552 has 132 divisors (see below), whose sum is σ = 3329994096. Its totient is φ = 320286720.

The previous prime is 1057047533. The next prime is 1057047553. The reversal of 1057047552 is 2557407501.

1057047552 is a `hidden beast` number, since 10 + 57 + 0 + 47 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (132).

It is a super-2 number, since 2×1057047552² = 2234699054378385408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1057047553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96163 + ... + 106589.

It is an arithmetic number, because the mean of its divisors is an integer number (25227228).

Almost surely, 2^1057047552 is an apocalyptic number.

1057047552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057047552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664997048).

1057047552 is an abundant number, since it is smaller than the sum of its proper divisors (2272946544).

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

1057047552 is a wasteful number, since it uses less digits than its factorization.

1057047552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10464 (or 10443 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 1057047552 is about 32512.2677154332. The cubic root of 1057047552 is about 1018.6652899969.

The spelling of 1057047552 in words is "one billion, fifty-seven million, forty-seven thousand, five hundred fifty-two".