553135520461 has 2 divisors, whose sum is σ = 553135520462. Its totient is φ = 553135520460.

The previous prime is 553135520453. The next prime is 553135520491. The reversal of 553135520461 is 164025531355.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508754092900 + 44381427561 = 713270^2 + 210669^2 .

It is a cyclic number.

It is not a de Polignac number, because 553135520461 - 2³ = 553135520453 is a prime.

It is a super-2 number, since 2×553135520461² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553135520491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276567760230 + 276567760231.

It is an arithmetic number, because the mean of its divisors is an integer number (276567760231).

Almost surely, 2^553135520461 is an apocalyptic number.

It is an amenable number.

553135520461 is a deficient number, since it is larger than the sum of its proper divisors (1).

553135520461 is an equidigital number, since it uses as much as digits as its factorization.

553135520461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 553135520461 in words is "five hundred fifty-three billion, one hundred thirty-five million, five hundred twenty thousand, four hundred sixty-one".