57472059721 has 2 divisors, whose sum is σ = 57472059722. Its totient is φ = 57472059720.

The previous prime is 57472059719. The next prime is 57472059739. The reversal of 57472059721 is 12795027475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36075684096 + 21396375625 = 189936^2 + 146275^2 .

It is a cyclic number.

It is not a de Polignac number, because 57472059721 - 2¹ = 57472059719 is a prime.

Together with 57472059719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57472059751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28736029860 + 28736029861.

It is an arithmetic number, because the mean of its divisors is an integer number (28736029861).

Almost surely, 2^57472059721 is an apocalyptic number.

It is an amenable number.

57472059721 is a deficient number, since it is larger than the sum of its proper divisors (1).

57472059721 is an equidigital number, since it uses as much as digits as its factorization.

57472059721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 57472059721 in words is "fifty-seven billion, four hundred seventy-two million, fifty-nine thousand, seven hundred twenty-one".