57096661 has 8 divisors (see below), whose sum is σ = 59019320. Its totient is φ = 55194048.

The previous prime is 57096643. The next prime is 57096667. The reversal of 57096661 is 16669075.

It can be written as a sum of positive squares in 4 ways, for example, as 26780625 + 30316036 = 5175^2 + 5506^2 .

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 57096661 - 2¹⁵ = 57063893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57096667) 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, 895 + ... + 10723.

It is an arithmetic number, because the mean of its divisors is an integer number (7377415).

Almost surely, 2^57096661 is an apocalyptic number.

It is an amenable number.

57096661 is a deficient number, since it is larger than the sum of its proper divisors (1922659).

57096661 is a wasteful number, since it uses less digits than its factorization.

57096661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 57096661 is about 7556.2332547374. The cubic root of 57096661 is about 385.0675341135.

The spelling of 57096661 in words is "fifty-seven million, ninety-six thousand, six hundred sixty-one".