57919121 has 8 divisors (see below), whose sum is σ = 62657280. Its totient is φ = 53221392.

The previous prime is 57919117. The next prime is 57919133. The reversal of 57919121 is 12191975.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57919121 - 2² = 57919117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57919321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7091 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (7832160).

Almost surely, 2^57919121 is an apocalyptic number.

It is an amenable number.

57919121 is a deficient number, since it is larger than the sum of its proper divisors (4738159).

57919121 is a wasteful number, since it uses less digits than its factorization.

57919121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215.

The product of its digits is 5670, while the sum is 35.

The square root of 57919121 is about 7610.4612869392. The cubic root of 57919121 is about 386.9076535641.

The spelling of 57919121 in words is "fifty-seven million, nine hundred nineteen thousand, one hundred twenty-one".