57660426 has 24 divisors (see below), whose sum is σ = 125292960. Its totient is φ = 19164456.

The previous prime is 57660373. The next prime is 57660431. The reversal of 57660426 is 62406675.

57660426 is a `hidden beast` number, since 576 + 60 + 4 + 26 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2001 + ... + 10923.

It is an arithmetic number, because the mean of its divisors is an integer number (5220540).

Almost surely, 2^57660426 is an apocalyptic number.

57660426 is an abundant number, since it is smaller than the sum of its proper divisors (67632534).

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

57660426 is a wasteful number, since it uses less digits than its factorization.

57660426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290 (or 9287 counting only the distinct ones).

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

The square root of 57660426 is about 7593.4462531844. The cubic root of 57660426 is about 386.3307544729.

The spelling of 57660426 in words is "fifty-seven million, six hundred sixty thousand, four hundred twenty-six".