55500055055537 has 2 divisors, whose sum is σ = 55500055055538. Its totient is φ = 55500055055536.

The previous prime is 55500055055527. The next prime is 55500055055587. The reversal of 55500055055537 is 73555055000555.

It is an a-pointer prime, because the next prime (55500055055587) can be obtained adding 55500055055537 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38262686547856 + 17237368507681 = 6185684^2 + 4151791^2 .

It is a cyclic number.

It is not a de Polignac number, because 55500055055537 - 2¹⁰ = 55500055054513 is a prime.

It is a super-2 number, since 2×55500055055537² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55500055055527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750027527768 + 27750027527769.

It is an arithmetic number, because the mean of its divisors is an integer number (27750027527769).

Almost surely, 2^{55500055055537} is an apocalyptic number.

It is an amenable number.

55500055055537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500055055537 is an equidigital number, since it uses as much as digits as its factorization.

55500055055537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8203125, while the sum is 50.

The spelling of 55500055055537 in words is "fifty-five trillion, five hundred billion, fifty-five million, fifty-five thousand, five hundred thirty-seven".