55555525050503 has 2 divisors, whose sum is σ = 55555525050504. Its totient is φ = 55555525050502.

The previous prime is 55555525050451. The next prime is 55555525050541. The reversal of 55555525050503 is 30505052555555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55555525050503 - 2⁸ = 55555525050247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55555525020503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777762525251 + 27777762525252.

It is an arithmetic number, because the mean of its divisors is an integer number (27777762525252).

Almost surely, 2^{55555525050503} is an apocalyptic number.

55555525050503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555525050503 is an equidigital number, since it uses as much as digits as its factorization.

55555525050503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11718750, while the sum is 50.

The spelling of 55555525050503 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred twenty-five million, fifty thousand, five hundred three".