57220062061 has 2 divisors, whose sum is σ = 57220062062. Its totient is φ = 57220062060.

The previous prime is 57220062007. The next prime is 57220062071. The reversal of 57220062061 is 16026002275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42917337225 + 14302724836 = 207165^2 + 119594^2 .

It is a cyclic number.

It is not a de Polignac number, because 57220062061 - 2¹¹ = 57220060013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57220062001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28610031030 + 28610031031.

It is an arithmetic number, because the mean of its divisors is an integer number (28610031031).

Almost surely, 2^57220062061 is an apocalyptic number.

It is an amenable number.

57220062061 is a deficient number, since it is larger than the sum of its proper divisors (1).

57220062061 is an equidigital number, since it uses as much as digits as its factorization.

57220062061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 57220062061 in words is "fifty-seven billion, two hundred twenty million, sixty-two thousand, sixty-one".