55250505505331 has 2 divisors, whose sum is σ = 55250505505332. Its totient is φ = 55250505505330.

The previous prime is 55250505505301. The next prime is 55250505505457. The reversal of 55250505505331 is 13350550505255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55250505505331 - 2²⁶ = 55250438396467 is a prime.

It is a super-2 number, since 2×55250505505331² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55250505505301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625252752665 + 27625252752666.

It is an arithmetic number, because the mean of its divisors is an integer number (27625252752666).

Almost surely, 2^{55250505505331} is an apocalyptic number.

55250505505331 is a deficient number, since it is larger than the sum of its proper divisors (1).

55250505505331 is an equidigital number, since it uses as much as digits as its factorization.

55250505505331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1406250, while the sum is 44.

The spelling of 55250505505331 in words is "fifty-five trillion, two hundred fifty billion, five hundred five million, five hundred five thousand, three hundred thirty-one".