57103491 has 8 divisors (see below), whose sum is σ = 77102080. Its totient is φ = 37586952.

The previous prime is 57103433. The next prime is 57103499. The reversal of 57103491 is 19430175.

57103491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57103491 - 2¹⁸ = 56841347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57103499) 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 in 7 ways as a sum of consecutive naturals, for example, 120235 + ... + 120708.

It is an arithmetic number, because the mean of its divisors is an integer number (9637760).

Almost surely, 2^57103491 is an apocalyptic number.

57103491 is a deficient number, since it is larger than the sum of its proper divisors (19998589).

57103491 is a wasteful number, since it uses less digits than its factorization.

57103491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241025.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 57103491 is about 7556.6851859794. The cubic root of 57103491 is about 385.0828876464.

The spelling of 57103491 in words is "fifty-seven million, one hundred three thousand, four hundred ninety-one".