57201432 has 16 divisors (see below), whose sum is σ = 143003640. Its totient is φ = 19067136.

The previous prime is 57201421. The next prime is 57201439. The reversal of 57201432 is 23410275.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2383393 = 57201432 / (5 + 7 + 2 + 0 + 1 + 4 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57201439) 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, 1191673 + ... + 1191720.

Almost surely, 2^57201432 is an apocalyptic number.

It is an amenable number.

57201432 is an abundant number, since it is smaller than the sum of its proper divisors (85802208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57201432 is a wasteful number, since it uses less digits than its factorization.

57201432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383402 (or 2383398 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57201432 is about 7563.1628304566. The cubic root of 57201432 is about 385.3029200849.

The spelling of 57201432 in words is "fifty-seven million, two hundred one thousand, four hundred thirty-two".