57961903 has 4 divisors (see below), whose sum is σ = 58022568. Its totient is φ = 57901240.

The previous prime is 57961889. The next prime is 57961919. The reversal of 57961903 is 30916975.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57961903 - 2⁹ = 57961391 is a prime.

It is a super-3 number, since 3×57961903³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57961933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28876 + ... + 30817.

It is an arithmetic number, because the mean of its divisors is an integer number (14505642).

Almost surely, 2^57961903 is an apocalyptic number.

57961903 is a deficient number, since it is larger than the sum of its proper divisors (60665).

57961903 is an equidigital number, since it uses as much as digits as its factorization.

57961903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60664.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 57961903 is about 7613.2715044191. The cubic root of 57961903 is about 387.0028933230.

The spelling of 57961903 in words is "fifty-seven million, nine hundred sixty-one thousand, nine hundred three".