57540065 has 8 divisors (see below), whose sum is σ = 75325248. Its totient is φ = 41847280.

The previous prime is 57540011. The next prime is 57540073. The reversal of 57540065 is 56004575.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57540065 - 2⁶ = 57540001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523037 + ... + 523146.

It is an arithmetic number, because the mean of its divisors is an integer number (9415656).

Almost surely, 2^57540065 is an apocalyptic number.

57540065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57540065 is a deficient number, since it is larger than the sum of its proper divisors (17785183).

57540065 is a wasteful number, since it uses less digits than its factorization.

57540065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046199.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57540065 is about 7585.5167918870. The cubic root of 57540065 is about 386.0617568777.

The spelling of 57540065 in words is "fifty-seven million, five hundred forty thousand, sixty-five".