57947232 has 96 divisors (see below), whose sum is σ = 177230592. Its totient is φ = 16233984.

The previous prime is 57947231. The next prime is 57947233. The reversal of 57947232 is 23274975.

It is an interprime number because it is at equal distance from previous prime (57947231) and next prime (57947233).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57947231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34803 + ... + 36429.

It is an arithmetic number, because the mean of its divisors is an integer number (1846152).

Almost surely, 2^57947232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57947232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88615296).

57947232 is an abundant number, since it is smaller than the sum of its proper divisors (119283360).

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

57947232 is a wasteful number, since it uses less digits than its factorization.

57947232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1692 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 57947232 is about 7612.3079286114. The cubic root of 57947232 is about 386.9702385489.

The spelling of 57947232 in words is "fifty-seven million, nine hundred forty-seven thousand, two hundred thirty-two".