57505361 has 8 divisors (see below), whose sum is σ = 58358880. Its totient is φ = 56658112.

The previous prime is 57505351. The next prime is 57505367. The reversal of 57505361 is 16350575.

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

It is a cyclic number.

It is not a de Polignac number, because 57505361 - 2⁶ = 57505297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57505367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18806 + ... + 21648.

It is an arithmetic number, because the mean of its divisors is an integer number (7294860).

Almost surely, 2^57505361 is an apocalyptic number.

It is an amenable number.

57505361 is a deficient number, since it is larger than the sum of its proper divisors (853519).

57505361 is a wasteful number, since it uses less digits than its factorization.

57505361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 57505361 is about 7583.2289296842. The cubic root of 57505361 is about 385.9841264379.

It can be divided in two parts, 5750 and 5361, that added together give a palindrome (11111).

The spelling of 57505361 in words is "fifty-seven million, five hundred five thousand, three hundred sixty-one".