57006894 has 48 divisors (see below), whose sum is σ = 134545536. Its totient is φ = 16052400.

The previous prime is 57006893. The next prime is 57006907. The reversal of 57006894 is 49860075.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57006893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19509 + ... + 22239.

It is an arithmetic number, because the mean of its divisors is an integer number (2803032).

Almost surely, 2^57006894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57006894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67272768).

57006894 is an abundant number, since it is smaller than the sum of its proper divisors (77538642).

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

57006894 is a wasteful number, since it uses less digits than its factorization.

57006894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 57006894 is about 7550.2909877699. The cubic root of 57006894 is about 384.8656280383.

The spelling of 57006894 in words is "fifty-seven million, six thousand, eight hundred ninety-four".