57406161 has 16 divisors (see below), whose sum is σ = 82931904. Its totient is φ = 35180544.

The previous prime is 57406133. The next prime is 57406169. The reversal of 57406161 is 16160475.

It is not a de Polignac number, because 57406161 - 2⁷ = 57406033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57406169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10896 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (5183244).

Almost surely, 2^57406161 is an apocalyptic number.

57406161 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57406161 is a deficient number, since it is larger than the sum of its proper divisors (25525743).

57406161 is a wasteful number, since it uses less digits than its factorization.

57406161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26240.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 57406161 is about 7576.6853570674. The cubic root of 57406161 is about 385.7620505418.

The spelling of 57406161 in words is "fifty-seven million, four hundred six thousand, one hundred sixty-one".