57865542 has 16 divisors (see below), whose sum is σ = 132264192. Its totient is φ = 16533000.

The previous prime is 57865541. The next prime is 57865543. The reversal of 57865542 is 24556875.

It is an interprime number because it is at equal distance from previous prime (57865541) and next prime (57865543).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1377751 = 57865542 / (5 + 7 + 8 + 6 + 5 + 5 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 57865494 and 57865503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57865541) 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, 688834 + ... + 688917.

It is an arithmetic number, because the mean of its divisors is an integer number (8266512).

Almost surely, 2^57865542 is an apocalyptic number.

57865542 is an abundant number, since it is smaller than the sum of its proper divisors (74398650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57865542 is a wasteful number, since it uses less digits than its factorization.

57865542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377763.

The product of its digits is 336000, while the sum is 42.

The square root of 57865542 is about 7606.9403836234. The cubic root of 57865542 is about 386.7883117397.

The spelling of 57865542 in words is "fifty-seven million, eight hundred sixty-five thousand, five hundred forty-two".