57504644 has 6 divisors (see below), whose sum is σ = 100633134. Its totient is φ = 28752320.

The previous prime is 57504619. The next prime is 57504647. The reversal of 57504644 is 44640575.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 6553600 = 7138^2 + 2560^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57504647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7188077 + ... + 7188084.

It is an arithmetic number, because the mean of its divisors is an integer number (16772189).

Almost surely, 2^57504644 is an apocalyptic number.

It is an amenable number.

57504644 is a deficient number, since it is larger than the sum of its proper divisors (43128490).

57504644 is a wasteful number, since it uses less digits than its factorization.

57504644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376165 (or 14376163 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 57504644 is about 7583.1816541607. The cubic root of 57504644 is about 385.9825222294.

The spelling of 57504644 in words is "fifty-seven million, five hundred four thousand, six hundred forty-four".