57432563 has 4 divisors (see below), whose sum is σ = 58768248. Its totient is φ = 56096880.

The previous prime is 57432533. The next prime is 57432569. The reversal of 57432563 is 36523475.

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

It is a cyclic number.

It is not a de Polignac number, because 57432563 - 2¹² = 57428467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57432569) 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, 667778 + ... + 667863.

It is an arithmetic number, because the mean of its divisors is an integer number (14692062).

Almost surely, 2^57432563 is an apocalyptic number.

57432563 is a deficient number, since it is larger than the sum of its proper divisors (1335685).

57432563 is a wasteful number, since it uses less digits than its factorization.

57432563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335684.

The product of its digits is 75600, while the sum is 35.

The square root of 57432563 is about 7578.4274754068. The cubic root of 57432563 is about 385.8211808307.

The spelling of 57432563 in words is "fifty-seven million, four hundred thirty-two thousand, five hundred sixty-three".