57052657 has 8 divisors (see below), whose sum is σ = 59172840. Its totient is φ = 54942720.

The previous prime is 57052651. The next prime is 57052661. The reversal of 57052657 is 75625075.

It can be written as a sum of positive squares in 4 ways, for example, as 6230016 + 50822641 = 2496^2 + 7129^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57052657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57052651) 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, 9873 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (7396605).

Almost surely, 2^57052657 is an apocalyptic number.

It is an amenable number.

57052657 is a deficient number, since it is larger than the sum of its proper divisors (2120183).

57052657 is a wasteful number, since it uses less digits than its factorization.

57052657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 57052657 is about 7553.3209252619. The cubic root of 57052657 is about 384.9685857316.

The spelling of 57052657 in words is "fifty-seven million, fifty-two thousand, six hundred fifty-seven".