57320820101 has 4 divisors (see below), whose sum is σ = 57323851104. Its totient is φ = 57317789100.

The previous prime is 57320820097. The next prime is 57320820113. The reversal of 57320820101 is 10102802375.

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 57320820101 - 2² = 57320820097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57320820121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486955 + ... + 1525016.

It is an arithmetic number, because the mean of its divisors is an integer number (14330962776).

Almost surely, 2^57320820101 is an apocalyptic number.

It is an amenable number.

57320820101 is a deficient number, since it is larger than the sum of its proper divisors (3031003).

57320820101 is a wasteful number, since it uses less digits than its factorization.

57320820101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031002.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 57320820101 in words is "fifty-seven billion, three hundred twenty million, eight hundred twenty thousand, one hundred one".