57081001 has 4 divisors (see below), whose sum is σ = 57291904. Its totient is φ = 56870100.

The previous prime is 57080999. The next prime is 57081029. The reversal of 57081001 is 10018075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57081001 - 2¹ = 57080999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57081041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105045 + ... + 105586.

It is an arithmetic number, because the mean of its divisors is an integer number (14322976).

Almost surely, 2^57081001 is an apocalyptic number.

It is an amenable number.

57081001 is a deficient number, since it is larger than the sum of its proper divisors (210903).

57081001 is a wasteful number, since it uses less digits than its factorization.

57081001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210902.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 57081001 is about 7555.1969530913. The cubic root of 57081001 is about 385.0323265148.

Adding to 57081001 its reverse (10018075), we get a palindrome (67099076).

The spelling of 57081001 in words is "fifty-seven million, eighty-one thousand, one".