57006722501 has 2 divisors, whose sum is σ = 57006722502. Its totient is φ = 57006722500.

The previous prime is 57006722453. The next prime is 57006722527. The reversal of 57006722501 is 10522760075.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47622150625 + 9384571876 = 218225^2 + 96874^2 .

It is a cyclic number.

It is not a de Polignac number, because 57006722501 - 2¹⁰ = 57006721477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57006722581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28503361250 + 28503361251.

It is an arithmetic number, because the mean of its divisors is an integer number (28503361251).

Almost surely, 2^57006722501 is an apocalyptic number.

It is an amenable number.

57006722501 is a deficient number, since it is larger than the sum of its proper divisors (1).

57006722501 is an equidigital number, since it uses as much as digits as its factorization.

57006722501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 57006722501 in words is "fifty-seven billion, six million, seven hundred twenty-two thousand, five hundred one".