57657025310721 has 4 divisors (see below), whose sum is σ = 76876033747632. Its totient is φ = 38438016873812.

The previous prime is 57657025310699. The next prime is 57657025310741. The reversal of 57657025310721 is 12701352075675.

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 57657025310721 - 2¹³ = 57657025302529 is a prime.

It is a super-2 number, since 2×57657025310721² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57657025310741) 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, 9609504218451 + ... + 9609504218456.

It is an arithmetic number, because the mean of its divisors is an integer number (19219008436908).

Almost surely, 2^{57657025310721} is an apocalyptic number.

It is an amenable number.

57657025310721 is a deficient number, since it is larger than the sum of its proper divisors (19219008436911).

57657025310721 is a wasteful number, since it uses less digits than its factorization.

57657025310721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19219008436910.

The product of its (nonzero) digits is 3087000, while the sum is 51.

The spelling of 57657025310721 in words is "fifty-seven trillion, six hundred fifty-seven billion, twenty-five million, three hundred ten thousand, seven hundred twenty-one".