553905091 has 2 divisors, whose sum is σ = 553905092. Its totient is φ = 553905090.

The previous prime is 553905061. The next prime is 553905127. The reversal of 553905091 is 190509355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553905091 - 2²⁷ = 419687363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553905091.

It is not a weakly prime, because it can be changed into another prime (553905041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276952545 + 276952546.

It is an arithmetic number, because the mean of its divisors is an integer number (276952546).

Almost surely, 2^553905091 is an apocalyptic number.

553905091 is a deficient number, since it is larger than the sum of its proper divisors (1).

553905091 is an equidigital number, since it uses as much as digits as its factorization.

553905091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 553905091 is about 23535.1883570113. The cubic root of 553905091 is about 821.2558048220.

The spelling of 553905091 in words is "five hundred fifty-three million, nine hundred five thousand, ninety-one".