553192001561 has 2 divisors, whose sum is σ = 553192001562. Its totient is φ = 553192001560.

The previous prime is 553192001533. The next prime is 553192001599. The reversal of 553192001561 is 165100291355.

It is a happy number.

It is an a-pointer prime, because the next prime (553192001599) can be obtained adding 553192001561 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500810982400 + 52381019161 = 707680^2 + 228869^2 .

It is a cyclic number.

It is not a de Polignac number, because 553192001561 - 2⁶ = 553192001497 is a prime.

It is not a weakly prime, because it can be changed into another prime (553192001501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276596000780 + 276596000781.

It is an arithmetic number, because the mean of its divisors is an integer number (276596000781).

Almost surely, 2^553192001561 is an apocalyptic number.

It is an amenable number.

553192001561 is a deficient number, since it is larger than the sum of its proper divisors (1).

553192001561 is an equidigital number, since it uses as much as digits as its factorization.

553192001561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 553192001561 in words is "five hundred fifty-three billion, one hundred ninety-two million, one thousand, five hundred sixty-one".