57167240 has 32 divisors (see below), whose sum is σ = 138521880. Its totient is φ = 21107712.

The previous prime is 57167239. The next prime is 57167263. The reversal of 57167240 is 4276175.

It can be written as a sum of positive squares in 4 ways, for example, as 26275876 + 30891364 = 5126^2 + 5558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57167197 and 57167206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54449 + ... + 55488.

Almost surely, 2^57167240 is an apocalyptic number.

It is an amenable number.

57167240 is an abundant number, since it is smaller than the sum of its proper divisors (81354640).

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

57167240 is a wasteful number, since it uses less digits than its factorization.

57167240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109961 (or 109957 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 57167240 is about 7560.9020625849. The cubic root of 57167240 is about 385.2261335266.

The spelling of 57167240 in words is "fifty-seven million, one hundred sixty-seven thousand, two hundred forty".