53550453109 has 2 divisors, whose sum is σ = 53550453110. Its totient is φ = 53550453108.

The previous prime is 53550453083. The next prime is 53550453137. The reversal of 53550453109 is 90135405535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52419476209 + 1130976900 = 228953^2 + 33630^2 .

It is a cyclic number.

It is not a de Polignac number, because 53550453109 - 2⁷ = 53550452981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53550453139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775226554 + 26775226555.

It is an arithmetic number, because the mean of its divisors is an integer number (26775226555).

Almost surely, 2^53550453109 is an apocalyptic number.

It is an amenable number.

53550453109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53550453109 is an equidigital number, since it uses as much as digits as its factorization.

53550453109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 53550453109 in words is "fifty-three billion, five hundred fifty million, four hundred fifty-three thousand, one hundred nine".