57133906729 has 3 divisors (see below), whose sum is σ = 57134145757. Its totient is φ = 57133667702.

The previous prime is 57133906691. The next prime is 57133906747. The reversal of 57133906729 is 92760933175.

The square root of 57133906729 is 239027.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 57133906729 - 2¹⁹ = 57133382441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57133906229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 119514 + ... + 358540.

Almost surely, 2^57133906729 is an apocalyptic number.

57133906729 is the 239027-th square number.

57133906729 is the 119514-th centered octagonal number.

It is an amenable number.

57133906729 is a deficient number, since it is larger than the sum of its proper divisors (239028).

57133906729 is an frugal number, since it uses more digits than its factorization.

57133906729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478054 (or 239027 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 57133906729 in words is "fifty-seven billion, one hundred thirty-three million, nine hundred six thousand, seven hundred twenty-nine".