57643544 has 16 divisors (see below), whose sum is σ = 123522000. Its totient is φ = 24704352.

The previous prime is 57643541. The next prime is 57643559. The reversal of 57643544 is 44534675.

It is a happy number.

57643544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57643498 and 57643507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643541) 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 3 ways as a sum of consecutive naturals, for example, 514619 + ... + 514730.

It is an arithmetic number, because the mean of its divisors is an integer number (7720125).

Almost surely, 2^57643544 is an apocalyptic number.

It is an amenable number.

57643544 is an abundant number, since it is smaller than the sum of its proper divisors (65878456).

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

57643544 is a wasteful number, since it uses less digits than its factorization.

57643544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029362 (or 1029358 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 57643544 is about 7592.3345553262. The cubic root of 57643544 is about 386.2930470835.

The spelling of 57643544 in words is "fifty-seven million, six hundred forty-three thousand, five hundred forty-four".