57047505 has 16 divisors (see below), whose sum is σ = 92773824. Its totient is φ = 29926080.

The previous prime is 57047503. The next prime is 57047509. The reversal of 57047505 is 50574075.

It is not a de Polignac number, because 57047505 - 2¹ = 57047503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57047503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30259 + ... + 32088.

It is an arithmetic number, because the mean of its divisors is an integer number (5798364).

Almost surely, 2^57047505 is an apocalyptic number.

It is an amenable number.

57047505 is a deficient number, since it is larger than the sum of its proper divisors (35726319).

57047505 is a wasteful number, since it uses less digits than its factorization.

57047505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62416.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 57047505 is about 7552.9798755193. The cubic root of 57047505 is about 384.9569975021.

The spelling of 57047505 in words is "fifty-seven million, forty-seven thousand, five hundred five".