57609142 has 4 divisors (see below), whose sum is σ = 86413716. Its totient is φ = 28804570.

The previous prime is 57609133. The next prime is 57609143. The reversal of 57609142 is 24190675.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 57609098 and 57609107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57609143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14402284 + ... + 14402287.

It is an arithmetic number, because the mean of its divisors is an integer number (21603429).

Almost surely, 2^57609142 is an apocalyptic number.

57609142 is a deficient number, since it is larger than the sum of its proper divisors (28804574).

57609142 is a wasteful number, since it uses less digits than its factorization.

57609142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28804573.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 57609142 is about 7590.0686426409. The cubic root of 57609142 is about 386.2161844835.

The spelling of 57609142 in words is "fifty-seven million, six hundred nine thousand, one hundred forty-two".