57248065 has 16 divisors (see below), whose sum is σ = 80635392. Its totient is φ = 38193984.

The previous prime is 57248063. The next prime is 57248069. The reversal of 57248065 is 56084275.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57248065 - 2¹ = 57248063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57248063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20809 + ... + 23398.

It is an arithmetic number, because the mean of its divisors is an integer number (5039712).

Almost surely, 2^57248065 is an apocalyptic number.

It is an amenable number.

57248065 is a deficient number, since it is larger than the sum of its proper divisors (23387327).

57248065 is a wasteful number, since it uses less digits than its factorization.

57248065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44256.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 57248065 is about 7566.2451057311. The cubic root of 57248065 is about 385.4075966634.

The spelling of 57248065 in words is "fifty-seven million, two hundred forty-eight thousand, sixty-five".