57940471 has 4 divisors (see below), whose sum is σ = 61348752. Its totient is φ = 54532192.

The previous prime is 57940459. The next prime is 57940499. The reversal of 57940471 is 17404975.

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

It is not a de Polignac number, because 57940471 - 2²³ = 49551863 is a prime.

It is a super-3 number, since 3×57940471³ (a number of 24 digits) contains 333 as substring.

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 57940471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57940171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704115 + ... + 1704148.

It is an arithmetic number, because the mean of its divisors is an integer number (15337188).

Almost surely, 2^57940471 is an apocalyptic number.

57940471 is a deficient number, since it is larger than the sum of its proper divisors (3408281).

57940471 is a wasteful number, since it uses less digits than its factorization.

57940471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408280.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 57940471 is about 7611.8638322030. The cubic root of 57940471 is about 386.9551880311.

The spelling of 57940471 in words is "fifty-seven million, nine hundred forty thousand, four hundred seventy-one".