57921253 has 8 divisors (see below), whose sum is σ = 65660000. Its totient is φ = 50651568.

The previous prime is 57921251. The next prime is 57921277. The reversal of 57921253 is 35212975.

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

It is not a de Polignac number, because 57921253 - 2¹ = 57921251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57921251) 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 7 ways as a sum of consecutive naturals, for example, 117003 + ... + 117496.

It is an arithmetic number, because the mean of its divisors is an integer number (8207500).

Almost surely, 2^57921253 is an apocalyptic number.

It is an amenable number.

57921253 is a deficient number, since it is larger than the sum of its proper divisors (7738747).

57921253 is a wasteful number, since it uses less digits than its factorization.

57921253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234531.

The product of its digits is 18900, while the sum is 34.

The square root of 57921253 is about 7610.6013560033. The cubic root of 57921253 is about 386.9124008565.

The spelling of 57921253 in words is "fifty-seven million, nine hundred twenty-one thousand, two hundred fifty-three".