57642246 has 32 divisors (see below), whose sum is σ = 128726400. Its totient is φ = 19119240.

The previous prime is 57642203. The next prime is 57642251. The reversal of 57642246 is 64224675.

57642246 is a `hidden beast` number, since 5 + 7 + 642 + 2 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 57642246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8865 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (4022700).

Almost surely, 2^57642246 is an apocalyptic number.

57642246 is an abundant number, since it is smaller than the sum of its proper divisors (71084154).

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

57642246 is a wasteful number, since it uses less digits than its factorization.

57642246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281 (or 5275 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 57642246 is about 7592.2490738911. The cubic root of 57642246 is about 386.2901475848.

The spelling of 57642246 in words is "fifty-seven million, six hundred forty-two thousand, two hundred forty-six".