57229129 has 4 divisors (see below), whose sum is σ = 59717376. Its totient is φ = 54740884.

The previous prime is 57229111. The next prime is 57229141. The reversal of 57229129 is 92192275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57229129 - 2⁵ = 57229097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57229199) 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, 1244089 + ... + 1244134.

It is an arithmetic number, because the mean of its divisors is an integer number (14929344).

Almost surely, 2^57229129 is an apocalyptic number.

It is an amenable number.

57229129 is a deficient number, since it is larger than the sum of its proper divisors (2488247).

57229129 is a wasteful number, since it uses less digits than its factorization.

57229129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488246.

The product of its digits is 22680, while the sum is 37.

The square root of 57229129 is about 7564.9936549874. The cubic root of 57229129 is about 385.3650980913.

The spelling of 57229129 in words is "fifty-seven million, two hundred twenty-nine thousand, one hundred twenty-nine".