57027740 has 96 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 16830720.

The previous prime is 57027727. The next prime is 57027743. The reversal of 57027740 is 4772075.

It is a happy number.

57027740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57027697 and 57027706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57027743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28286 + ... + 30234.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^57027740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57027740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78624000).

57027740 is an abundant number, since it is smaller than the sum of its proper divisors (100220260).

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

57027740 is a wasteful number, since it uses less digits than its factorization.

57027740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 57027740 is about 7551.6713381873. The cubic root of 57027740 is about 384.9125342433.

The spelling of 57027740 in words is "fifty-seven million, twenty-seven thousand, seven hundred forty".