57021201625331 has 4 divisors (see below), whose sum is σ = 57032110603512. Its totient is φ = 57010292647152.

The previous prime is 57021201625319. The next prime is 57021201625379. The reversal of 57021201625331 is 13352610212075.

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

It is a cyclic number.

It is not a de Polignac number, because 57021201625331 - 2¹⁸ = 57021201363187 is a prime.

It is a super-2 number, since 2×57021201625331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57021201625631) 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, 5454481250 + ... + 5454491703.

It is an arithmetic number, because the mean of its divisors is an integer number (14258027650878).

Almost surely, 2^{57021201625331} is an apocalyptic number.

57021201625331 is a deficient number, since it is larger than the sum of its proper divisors (10908978181).

57021201625331 is a wasteful number, since it uses less digits than its factorization.

57021201625331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908978180.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 57021201625331 in words is "fifty-seven trillion, twenty-one billion, two hundred one million, six hundred twenty-five thousand, three hundred thirty-one".