57608633021 has 4 divisors (see below), whose sum is σ = 58137152700. Its totient is φ = 57080113344.

The previous prime is 57608633009. The next prime is 57608633041. The reversal of 57608633021 is 12033680675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40970212921 + 16638420100 = 202411^2 + 128990^2 .

It is a cyclic number.

It is not a de Polignac number, because 57608633021 - 2⁶ = 57608632957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57608633021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57608633041) 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, 264259676 + ... + 264259893.

It is an arithmetic number, because the mean of its divisors is an integer number (14534288175).

Almost surely, 2^57608633021 is an apocalyptic number.

It is an amenable number.

57608633021 is a deficient number, since it is larger than the sum of its proper divisors (528519679).

57608633021 is a wasteful number, since it uses less digits than its factorization.

57608633021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528519678.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 57608633021 in words is "fifty-seven billion, six hundred eight million, six hundred thirty-three thousand, twenty-one".