57121466 has 8 divisors (see below), whose sum is σ = 89407584. Its totient is φ = 27318940.

The previous prime is 57121447. The next prime is 57121469. The reversal of 57121466 is 66412175.

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

It is not an unprimeable number, because it can be changed into a prime (57121469) 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, 620840 + ... + 620931.

It is an arithmetic number, because the mean of its divisors is an integer number (11175948).

Almost surely, 2^57121466 is an apocalyptic number.

57121466 is a deficient number, since it is larger than the sum of its proper divisors (32286118).

57121466 is a wasteful number, since it uses less digits than its factorization.

57121466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241796.

The product of its digits is 10080, while the sum is 32.

The square root of 57121466 is about 7557.8744366389. The cubic root of 57121466 is about 385.1232887884.

The spelling of 57121466 in words is "fifty-seven million, one hundred twenty-one thousand, four hundred sixty-six".