55500050549 has 2 divisors, whose sum is σ = 55500050550. Its totient is φ = 55500050548.

The previous prime is 55500050531. The next prime is 55500050561. The reversal of 55500050549 is 94505000555.

55500050549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38992426225 + 16507624324 = 197465^2 + 128482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55500050549 is a prime.

It is a super-3 number, since 3×55500050549³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55500010549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750025274 + 27750025275.

It is an arithmetic number, because the mean of its divisors is an integer number (27750025275).

Almost surely, 2^55500050549 is an apocalyptic number.

It is an amenable number.

55500050549 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500050549 is an equidigital number, since it uses as much as digits as its factorization.

55500050549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55500050549 in words is "fifty-five billion, five hundred million, fifty thousand, five hundred forty-nine".