57146406 has 32 divisors (see below), whose sum is σ = 116284896. Its totient is φ = 18720000.

The previous prime is 57146363. The next prime is 57146429. The reversal of 57146406 is 60464175.

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 15 ways as a sum of consecutive naturals, for example, 109426 + ... + 109946.

It is an arithmetic number, because the mean of its divisors is an integer number (3633903).

Almost surely, 2^57146406 is an apocalyptic number.

57146406 is an abundant number, since it is smaller than the sum of its proper divisors (59138490).

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

57146406 is a wasteful number, since it uses less digits than its factorization.

57146406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 57146406 is about 7559.5241913761. The cubic root of 57146406 is about 385.1793306348.

The spelling of 57146406 in words is "fifty-seven million, one hundred forty-six thousand, four hundred six".