57980618 has 4 divisors (see below), whose sum is σ = 86970930. Its totient is φ = 28990308.

The previous prime is 57980617. The next prime is 57980621. The reversal of 57980618 is 81608975.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 2968729 = 7417^2 + 1723^2 .

It is not an unprimeable number, because it can be changed into a prime (57980617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14495153 + ... + 14495156.

Almost surely, 2^57980618 is an apocalyptic number.

57980618 is a deficient number, since it is larger than the sum of its proper divisors (28990312).

57980618 is a wasteful number, since it uses less digits than its factorization.

57980618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28990311.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 57980618 is about 7614.5005088975. The cubic root of 57980618 is about 387.0445412526.

The spelling of 57980618 in words is "fifty-seven million, nine hundred eighty thousand, six hundred eighteen".