57081829 has 8 divisors (see below), whose sum is σ = 66624768. Its totient is φ = 47886000.

The previous prime is 57081811. The next prime is 57081863. The reversal of 57081829 is 92818075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57081829 - 2⁵ = 57081797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57081791 and 57081800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57081029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86422 + ... + 87079.

It is an arithmetic number, because the mean of its divisors is an integer number (8328096).

Almost surely, 2^57081829 is an apocalyptic number.

It is an amenable number.

57081829 is a deficient number, since it is larger than the sum of its proper divisors (9542939).

57081829 is a wasteful number, since it uses less digits than its factorization.

57081829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173555.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 57081829 is about 7555.2517496110. The cubic root of 57081829 is about 385.0341882273.

The spelling of 57081829 in words is "fifty-seven million, eighty-one thousand, eight hundred twenty-nine".