57053893 has 8 divisors (see below), whose sum is σ = 61808600. Its totient is φ = 52663104.

The previous prime is 57053833. The next prime is 57053929. The reversal of 57053893 is 39835075.

It is a happy number.

57053893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27699169 + 29354724 = 5263^2 + 5418^2 .

It is not a de Polignac number, because 57053893 - 2¹³ = 57045701 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57053803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (7726075).

Almost surely, 2^57053893 is an apocalyptic number.

It is an amenable number.

57053893 is a deficient number, since it is larger than the sum of its proper divisors (4754707).

57053893 is an equidigital number, since it uses as much as digits as its factorization.

57053893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26008 (or 25982 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 57053893 is about 7553.4027431350. The cubic root of 57053893 is about 384.9713657233.

The spelling of 57053893 in words is "fifty-seven million, fifty-three thousand, eight hundred ninety-three".