57563397 has 12 divisors (see below), whose sum is σ = 83647200. Its totient is φ = 38144808.

The previous prime is 57563393. The next prime is 57563413. The reversal of 57563397 is 79336575.

57563397 is a `hidden beast` number, since 5 + 7 + 5 + 633 + 9 + 7 = 666.

57563397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57563397 - 2² = 57563393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57563393) 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 11 ways as a sum of consecutive naturals, for example, 17647 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (6970600).

Almost surely, 2^57563397 is an apocalyptic number.

It is an amenable number.

57563397 is a deficient number, since it is larger than the sum of its proper divisors (26083803).

57563397 is a wasteful number, since it uses less digits than its factorization.

57563397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38472 (or 38469 counting only the distinct ones).

The product of its digits is 595350, while the sum is 45.

The square root of 57563397 is about 7587.0545668263. The cubic root of 57563397 is about 386.1139313970.

The spelling of 57563397 in words is "fifty-seven million, five hundred sixty-three thousand, three hundred ninety-seven".