57361018 has 24 divisors (see below), whose sum is σ = 101855124. Its totient is φ = 24066240.

The previous prime is 57361013. The next prime is 57361037. The reversal of 57361018 is 81016375.

It can be written as a sum of positive squares in 2 ways, for example, as 56445169 + 915849 = 7513^2 + 957^2 .

It is not an unprimeable number, because it can be changed into a prime (57361013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5971 + ... + 12262.

Almost surely, 2^57361018 is an apocalyptic number.

57361018 is a deficient number, since it is larger than the sum of its proper divisors (44494106).

57361018 is a wasteful number, since it uses less digits than its factorization.

57361018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18270 (or 18259 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 57361018 is about 7573.7056980054. The cubic root of 57361018 is about 385.6609056314.

The spelling of 57361018 in words is "fifty-seven million, three hundred sixty-one thousand, eighteen".