57650142 has 64 divisors (see below), whose sum is σ = 136765440. Its totient is φ = 16005600.

The previous prime is 57650081. The next prime is 57650191. The reversal of 57650142 is 24105675.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38133 + ... + 39615.

It is an arithmetic number, because the mean of its divisors is an integer number (2136960).

Almost surely, 2^57650142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57650142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68382720).

57650142 is an abundant number, since it is smaller than the sum of its proper divisors (79115298).

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

57650142 is a wasteful number, since it uses less digits than its factorization.

57650142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57650142 is about 7592.7690600992. The cubic root of 57650142 is about 386.3077851565.

The spelling of 57650142 in words is "fifty-seven million, six hundred fifty thousand, one hundred forty-two".