57000721629 has 8 divisors (see below), whose sum is σ = 76003702272. Its totient is φ = 37999111040.

The previous prime is 57000721627. The next prime is 57000721633. The reversal of 57000721629 is 92612700075.

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 57000721629 - 2¹ = 57000721627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57000721627) 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, 241149 + ... + 414914.

It is an arithmetic number, because the mean of its divisors is an integer number (9500462784).

Almost surely, 2^57000721629 is an apocalyptic number.

It is an amenable number.

57000721629 is a deficient number, since it is larger than the sum of its proper divisors (19002980643).

57000721629 is a wasteful number, since it uses less digits than its factorization.

57000721629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685027.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 57000721629 in words is "fifty-seven billion, seven hundred twenty-one thousand, six hundred twenty-nine".