57486989 has 32 divisors (see below), whose sum is σ = 72744960. Its totient is φ = 44323200.

The previous prime is 57486983. The next prime is 57486997. The reversal of 57486989 is 98968475.

It is not a de Polignac number, because 57486989 - 2⁴ = 57486973 is a prime.

It is a super-2 number, since 2×57486989² = 6609507808572242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57486983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300884 + ... + 301074.

It is an arithmetic number, because the mean of its divisors is an integer number (2273280).

Almost surely, 2^57486989 is an apocalyptic number.

It is an amenable number.

57486989 is a deficient number, since it is larger than the sum of its proper divisors (15257971).

57486989 is a wasteful number, since it uses less digits than its factorization.

57486989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 4354560, while the sum is 56.

The square root of 57486989 is about 7582.0174755800. The cubic root of 57486989 is about 385.9430169044.

The spelling of 57486989 in words is "fifty-seven million, four hundred eighty-six thousand, nine hundred eighty-nine".