57432071 has 4 divisors (see below), whose sum is σ = 57452472. Its totient is φ = 57411672.

The previous prime is 57432061. The next prime is 57432077. The reversal of 57432071 is 17023475.

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 57432071 - 2⁶ = 57432007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57432077) 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, 5141 + ... + 11886.

It is an arithmetic number, because the mean of its divisors is an integer number (14363118).

Almost surely, 2^57432071 is an apocalyptic number.

57432071 is a deficient number, since it is larger than the sum of its proper divisors (20401).

57432071 is a wasteful number, since it uses less digits than its factorization.

57432071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20400.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57432071 is about 7578.3950147772. The cubic root of 57432071 is about 385.8200791064.

The spelling of 57432071 in words is "fifty-seven million, four hundred thirty-two thousand, seventy-one".