57011444 has 12 divisors (see below), whose sum is σ = 114022944. Its totient is φ = 24433464.

The previous prime is 57011441. The next prime is 57011453. The reversal of 57011444 is 44411075.

57011444 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57011441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018034 + ... + 1018089.

It is an arithmetic number, because the mean of its divisors is an integer number (9501912).

Almost surely, 2^57011444 is an apocalyptic number.

It is an amenable number.

57011444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57011444 is a wasteful number, since it uses less digits than its factorization.

57011444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036134 (or 2036132 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 57011444 is about 7550.5922946481. The cubic root of 57011444 is about 384.8758671042.

The spelling of 57011444 in words is "fifty-seven million, eleven thousand, four hundred forty-four".