57896881 has 9 divisors (see below), whose sum is σ = 67411449. Its totient is φ = 49580244.

The previous prime is 57896837. The next prime is 57896929. The reversal of 57896881 is 18869875.

The square root of 57896881 is 7609.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 57896881 - 2⁷ = 57896753 is a prime.

It is a super-2 number, since 2×57896881² = 6704097659056322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57896801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52720 + ... + 53806.

It is an arithmetic number, because the mean of its divisors is an integer number (7490161).

Almost surely, 2^57896881 is an apocalyptic number.

57896881 is the 7609-th square number.

57896881 is the 3805-th centered octagonal number.

It is an amenable number.

57896881 is a deficient number, since it is larger than the sum of its proper divisors (9514568).

57896881 is an frugal number, since it uses more digits than its factorization.

57896881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 1094 counting only the distinct ones).

The product of its digits is 967680, while the sum is 52.

The cubic root of 57896881 is about 386.8581251432.

The spelling of 57896881 in words is "fifty-seven million, eight hundred ninety-six thousand, eight hundred eighty-one".