57351481 has 16 divisors (see below), whose sum is σ = 66988800. Its totient is φ = 48546000.

The previous prime is 57351467. The next prime is 57351491. The reversal of 57351481 is 18415375.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57351481 - 2⁵ = 57351449 is a prime.

It is a super-2 number, since 2×57351481² = 6578384745786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57351401) 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, 10006 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (4186800).

Almost surely, 2^57351481 is an apocalyptic number.

It is an amenable number.

57351481 is a deficient number, since it is larger than the sum of its proper divisors (9637319).

57351481 is a wasteful number, since it uses less digits than its factorization.

57351481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740.

The product of its digits is 16800, while the sum is 34.

The square root of 57351481 is about 7573.0760593038. The cubic root of 57351481 is about 385.6395307672.

The spelling of 57351481 in words is "fifty-seven million, three hundred fifty-one thousand, four hundred eighty-one".