57127040 has 32 divisors (see below), whose sum is σ = 136570860. Its totient is φ = 22850560.

The previous prime is 57127003. The next prime is 57127067. The reversal of 57127040 is 4072175.

It can be written as a sum of positive squares in 2 ways, for example, as 56190016 + 937024 = 7496^2 + 968^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43991 + ... + 45270.

Almost surely, 2^57127040 is an apocalyptic number.

It is an amenable number.

57127040 is an abundant number, since it is smaller than the sum of its proper divisors (79443820).

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

57127040 is an equidigital number, since it uses as much as digits as its factorization.

57127040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89280 (or 89268 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 57127040 is about 7558.2431821158. The cubic root of 57127040 is about 385.1358153541.

The spelling of 57127040 in words is "fifty-seven million, one hundred twenty-seven thousand, forty".