553377951779 has 2 divisors, whose sum is σ = 553377951780. Its totient is φ = 553377951778.

The previous prime is 553377951769. The next prime is 553377951803. The reversal of 553377951779 is 977159773355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553377951779 - 2⁸ = 553377951523 is a prime.

It is not a weakly prime, because it can be changed into another prime (553377951769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276688975889 + 276688975890.

It is an arithmetic number, because the mean of its divisors is an integer number (276688975890).

Almost surely, 2^553377951779 is an apocalyptic number.

553377951779 is a deficient number, since it is larger than the sum of its proper divisors (1).

553377951779 is an equidigital number, since it uses as much as digits as its factorization.

553377951779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218791125, while the sum is 68.

The spelling of 553377951779 in words is "five hundred fifty-three billion, three hundred seventy-seven million, nine hundred fifty-one thousand, seven hundred seventy-nine".