57725129 has 8 divisors (see below), whose sum is σ = 71969088. Its totient is φ = 44980560.

The previous prime is 57725119. The next prime is 57725141. The reversal of 57725129 is 92152775.

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 57725129 - 2⁴ = 57725113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57725092 and 57725101.

It is not an unprimeable number, because it can be changed into a prime (57725119) 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, 374762 + ... + 374915.

It is an arithmetic number, because the mean of its divisors is an integer number (8996136).

Almost surely, 2^57725129 is an apocalyptic number.

It is an amenable number.

57725129 is a deficient number, since it is larger than the sum of its proper divisors (14243959).

57725129 is a wasteful number, since it uses less digits than its factorization.

57725129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749695.

The product of its digits is 44100, while the sum is 38.

The square root of 57725129 is about 7597.7055089020. The cubic root of 57725129 is about 386.4752060284.

It can be divided in two parts, 5772 and 5129, that added together give a palindrome (10901).

The spelling of 57725129 in words is "fifty-seven million, seven hundred twenty-five thousand, one hundred twenty-nine".