57989549 has 4 divisors (see below), whose sum is σ = 58406880. Its totient is φ = 57572220.

The previous prime is 57989543. The next prime is 57989551. The reversal of 57989549 is 94598975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57989549 - 2²⁴ = 41212333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57989494 and 57989503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57989543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208457 + ... + 208734.

It is an arithmetic number, because the mean of its divisors is an integer number (14601720).

Almost surely, 2^57989549 is an apocalyptic number.

It is an amenable number.

57989549 is a deficient number, since it is larger than the sum of its proper divisors (417331).

57989549 is a wasteful number, since it uses less digits than its factorization.

57989549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417330.

The product of its digits is 4082400, while the sum is 56.

The square root of 57989549 is about 7615.0869331873. The cubic root of 57989549 is about 387.0644129353.

The spelling of 57989549 in words is "fifty-seven million, nine hundred eighty-nine thousand, five hundred forty-nine".