57473121 has 8 divisors (see below), whose sum is σ = 76975360. Its totient is φ = 38143152.

The previous prime is 57473093. The next prime is 57473149. The reversal of 57473121 is 12137475.

It is an interprime number because it is at equal distance from previous prime (57473093) and next prime (57473149).

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

It is not a de Polignac number, because 57473121 - 2⁹ = 57472609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57473191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42286 + ... + 43623.

It is an arithmetic number, because the mean of its divisors is an integer number (9621920).

Almost surely, 2^57473121 is an apocalyptic number.

It is an amenable number.

57473121 is a deficient number, since it is larger than the sum of its proper divisors (19502239).

57473121 is a wasteful number, since it uses less digits than its factorization.

57473121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86135.

The product of its digits is 5880, while the sum is 30.

The square root of 57473121 is about 7581.1028881028. The cubic root of 57473121 is about 385.9119798049.

The spelling of 57473121 in words is "fifty-seven million, four hundred seventy-three thousand, one hundred twenty-one".