5457227561 has 2 divisors, whose sum is σ = 5457227562. Its totient is φ = 5457227560.

The previous prime is 5457227543. The next prime is 5457227603. The reversal of 5457227561 is 1657227545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5230905625 + 226321936 = 72325^2 + 15044^2 .

It is a cyclic number.

It is not a de Polignac number, because 5457227561 - 2⁶ = 5457227497 is a prime.

It is not a weakly prime, because it can be changed into another prime (5457227761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728613780 + 2728613781.

It is an arithmetic number, because the mean of its divisors is an integer number (2728613781).

Almost surely, 2^5457227561 is an apocalyptic number.

It is an amenable number.

5457227561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457227561 is an equidigital number, since it uses as much as digits as its factorization.

5457227561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 44.

The square root of 5457227561 is about 73873.0503025291. The cubic root of 5457227561 is about 1760.5864480989.

The spelling of 5457227561 in words is "five billion, four hundred fifty-seven million, two hundred twenty-seven thousand, five hundred sixty-one".