57990481 has 4 divisors (see below), whose sum is σ = 58250752. Its totient is φ = 57730212.

The previous prime is 57990479. The next prime is 57990509. The reversal of 57990481 is 18409975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57990481 - 2¹ = 57990479 is a prime.

It is a super-2 number, since 2×57990481² = 6725791773222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57990421) 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, 129801 + ... + 130246.

It is an arithmetic number, because the mean of its divisors is an integer number (14562688).

Almost surely, 2^57990481 is an apocalyptic number.

It is an amenable number.

57990481 is a deficient number, since it is larger than the sum of its proper divisors (260271).

57990481 is a wasteful number, since it uses less digits than its factorization.

57990481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260270.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 57990481 is about 7615.1481272527. The cubic root of 57990481 is about 387.0664865394.

The spelling of 57990481 in words is "fifty-seven million, nine hundred ninety thousand, four hundred eighty-one".