57053009 has 8 divisors (see below), whose sum is σ = 61512360. Its totient is φ = 52603776.

The previous prime is 57052997. The next prime is 57053011. The reversal of 57053009 is 90035075.

It can be written as a sum of positive squares in 4 ways, for example, as 4635409 + 52417600 = 2153^2 + 7240^2 .

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 57053009 - 2¹² = 57048913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57053209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12557 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (7689045).

Almost surely, 2^57053009 is an apocalyptic number.

It is an amenable number.

57053009 is a deficient number, since it is larger than the sum of its proper divisors (4459351).

57053009 is a wasteful number, since it uses less digits than its factorization.

57053009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 57053009 is about 7553.3442262352. The cubic root of 57053009 is about 384.9693774486.

The spelling of 57053009 in words is "fifty-seven million, fifty-three thousand, nine".