57288434 has 16 divisors (see below), whose sum is σ = 101377536. Its totient is φ = 23760000.

The previous prime is 57288421. The next prime is 57288437. The reversal of 57288434 is 43488275.

It is a junction number, because it is equal to n+sod(n) for n = 57288391 and 57288400.

It is not an unprimeable number, because it can be changed into a prime (57288437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65567 + ... + 66434.

It is an arithmetic number, because the mean of its divisors is an integer number (6336096).

Almost surely, 2^57288434 is an apocalyptic number.

57288434 is a deficient number, since it is larger than the sum of its proper divisors (44089102).

57288434 is a wasteful number, since it uses less digits than its factorization.

57288434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132041.

The product of its digits is 215040, while the sum is 41.

The square root of 57288434 is about 7568.9123392995. The cubic root of 57288434 is about 385.4981666162.

The spelling of 57288434 in words is "fifty-seven million, two hundred eighty-eight thousand, four hundred thirty-four".