57955481 has 2 divisors, whose sum is σ = 57955482. Its totient is φ = 57955480.

The previous prime is 57955459. The next prime is 57955493. The reversal of 57955481 is 18455975.

57955481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 10621081 = 6880^2 + 3259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57955481 is a prime.

It is a super-2 number, since 2×57955481² = 6717675555882722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57955411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28977740 + 28977741.

It is an arithmetic number, because the mean of its divisors is an integer number (28977741).

Almost surely, 2^57955481 is an apocalyptic number.

It is an amenable number.

57955481 is a deficient number, since it is larger than the sum of its proper divisors (1).

57955481 is an equidigital number, since it uses as much as digits as its factorization.

57955481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 44.

The square root of 57955481 is about 7612.8497292407. The cubic root of 57955481 is about 386.9885998863.

The spelling of 57955481 in words is "fifty-seven million, nine hundred fifty-five thousand, four hundred eighty-one".