57803381 has 2 divisors, whose sum is σ = 57803382. Its totient is φ = 57803380.

The previous prime is 57803363. The next prime is 57803401. The reversal of 57803381 is 18330875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 16728100 = 6409^2 + 4090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57803381 is a prime.

It is a super-2 number, since 2×57803381² = 6682461710062322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57803311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28901690 + 28901691.

It is an arithmetic number, because the mean of its divisors is an integer number (28901691).

Almost surely, 2^57803381 is an apocalyptic number.

It is an amenable number.

57803381 is a deficient number, since it is larger than the sum of its proper divisors (1).

57803381 is an equidigital number, since it uses as much as digits as its factorization.

57803381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 57803381 is about 7602.8534774780. The cubic root of 57803381 is about 386.6497620268.

The spelling of 57803381 in words is "fifty-seven million, eight hundred three thousand, three hundred eighty-one".