57293481 has 8 divisors (see below), whose sum is σ = 87304384. Its totient is φ = 32739120.

The previous prime is 57293459. The next prime is 57293491. The reversal of 57293481 is 18439275.

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

It is not a de Polignac number, because 57293481 - 2⁵ = 57293449 is a prime.

It is a super-2 number, since 2×57293481² = 6565085930194722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57293491) 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, 1364110 + ... + 1364151.

It is an arithmetic number, because the mean of its divisors is an integer number (10913048).

Almost surely, 2^57293481 is an apocalyptic number.

It is an amenable number.

57293481 is a deficient number, since it is larger than the sum of its proper divisors (30010903).

57293481 is a wasteful number, since it uses less digits than its factorization.

57293481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728271.

The product of its digits is 60480, while the sum is 39.

The square root of 57293481 is about 7569.2457352103. The cubic root of 57293481 is about 385.5094868309.

The spelling of 57293481 in words is "fifty-seven million, two hundred ninety-three thousand, four hundred eighty-one".