57903121 has 8 divisors (see below), whose sum is σ = 60958080. Its totient is φ = 54892992.

The previous prime is 57903119. The next prime is 57903137. The reversal of 57903121 is 12130975.

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

It is a cyclic number.

It is not a de Polignac number, because 57903121 - 2¹ = 57903119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57903121.

It is not an unprimeable number, because it can be changed into a prime (57903101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541 + ... + 13738.

It is an arithmetic number, because the mean of its divisors is an integer number (7619760).

Almost surely, 2^57903121 is an apocalyptic number.

It is an amenable number.

57903121 is a deficient number, since it is larger than the sum of its proper divisors (3054959).

57903121 is a wasteful number, since it uses less digits than its factorization.

57903121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22415.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 57903121 is about 7609.4100296935. The cubic root of 57903121 is about 386.8720228865.

It can be divided in two parts, 5790 and 3121, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 57903121 in words is "fifty-seven million, nine hundred three thousand, one hundred twenty-one".