57275432 has 8 divisors (see below), whose sum is σ = 107391450. Its totient is φ = 28637712.

The previous prime is 57275411. The next prime is 57275501. The reversal of 57275432 is 23457275.

57275432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47251876 + 10023556 = 6874^2 + 3166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×57275432² = 6560950221573248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57275392 and 57275401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3579707 + ... + 3579722.

Almost surely, 2^57275432 is an apocalyptic number.

It is an amenable number.

57275432 is a deficient number, since it is larger than the sum of its proper divisors (50116018).

57275432 is a wasteful number, since it uses less digits than its factorization.

57275432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159435 (or 7159431 counting only the distinct ones).

The product of its digits is 58800, while the sum is 35.

The square root of 57275432 is about 7568.0533824756. The cubic root of 57275432 is about 385.4690005987.

The spelling of 57275432 in words is "fifty-seven million, two hundred seventy-five thousand, four hundred thirty-two".