57433860 has 180 divisors, whose sum is σ = 198716364. Its totient is φ = 13875840.

The previous prime is 57433823. The next prime is 57433861. The reversal of 57433860 is 6833475.

It is a happy number.

57433860 is a `hidden beast` number, since 574 + 3 + 3 + 86 + 0 = 666.

57433860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40144896 + 17288964 = 6336^2 + 4158^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57433861) 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 59 ways as a sum of consecutive naturals, for example, 195874 + ... + 196166.

Almost surely, 2^57433860 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 57433860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99358182).

57433860 is an abundant number, since it is smaller than the sum of its proper divisors (141282504).

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

57433860 is a wasteful number, since it uses less digits than its factorization.

57433860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 57433860 is about 7578.5130467658. The cubic root of 57433860 is about 385.8240851431.

The spelling of 57433860 in words is "fifty-seven million, four hundred thirty-three thousand, eight hundred sixty".