57806901 has 6 divisors (see below), whose sum is σ = 83498870. Its totient is φ = 38537928.

The previous prime is 57806899. The next prime is 57806923. The reversal of 57806901 is 10960875.

It can be written as a sum of positive squares in only one way, i.e., 48986001 + 8820900 = 6999^2 + 2970^2 .

It is not a de Polignac number, because 57806901 - 2¹ = 57806899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57806701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3211486 + ... + 3211503.

Almost surely, 2^57806901 is an apocalyptic number.

It is an amenable number.

57806901 is a deficient number, since it is larger than the sum of its proper divisors (25691969).

57806901 is a wasteful number, since it uses less digits than its factorization.

57806901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422995 (or 6422992 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 57806901 is about 7603.0849659858. The cubic root of 57806901 is about 386.6576103540.

The spelling of 57806901 in words is "fifty-seven million, eight hundred six thousand, nine hundred one".