57645607 has 4 divisors (see below), whose sum is σ = 57662416. Its totient is φ = 57628800.

The previous prime is 57645569. The next prime is 57645617. The reversal of 57645607 is 70654675.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57645607 - 2¹¹ = 57643559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57645607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57645617) 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, 1203 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (14415604).

Almost surely, 2^57645607 is an apocalyptic number.

57645607 is a deficient number, since it is larger than the sum of its proper divisors (16809).

57645607 is a wasteful number, since it uses less digits than its factorization.

57645607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16808.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 57645607 is about 7592.4704148255. The cubic root of 57645607 is about 386.2976553651.

The spelling of 57645607 in words is "fifty-seven million, six hundred forty-five thousand, six hundred seven".