553355551023551 has 2 divisors, whose sum is σ = 553355551023552. Its totient is φ = 553355551023550.

The previous prime is 553355551023421. The next prime is 553355551023563. The reversal of 553355551023551 is 155320155553355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553355551023551 - 2²² = 553355546829247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553355551023493 and 553355551023502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553355551020551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276677775511775 + 276677775511776.

It is an arithmetic number, because the mean of its divisors is an integer number (276677775511776).

Almost surely, 2^{553355551023551} is an apocalyptic number.

553355551023551 is a deficient number, since it is larger than the sum of its proper divisors (1).

553355551023551 is an equidigital number, since it uses as much as digits as its factorization.

553355551023551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21093750, while the sum is 53.

The spelling of 553355551023551 in words is "five hundred fifty-three trillion, three hundred fifty-five billion, five hundred fifty-one million, twenty-three thousand, five hundred fifty-one".