57536047 has 4 divisors (see below), whose sum is σ = 60564280. Its totient is φ = 54507816.

The previous prime is 57535981. The next prime is 57536053. The reversal of 57536047 is 74063575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57536047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57535997 and 57536015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57537047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514088 + ... + 1514125.

It is an arithmetic number, because the mean of its divisors is an integer number (15141070).

Almost surely, 2^57536047 is an apocalyptic number.

57536047 is a deficient number, since it is larger than the sum of its proper divisors (3028233).

57536047 is a wasteful number, since it uses less digits than its factorization.

57536047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028232.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 57536047 is about 7585.2519404434. The cubic root of 57536047 is about 386.0527704886.

The spelling of 57536047 in words is "fifty-seven million, five hundred thirty-six thousand, forty-seven".