55504229899037 has 2 divisors, whose sum is σ = 55504229899038. Its totient is φ = 55504229899036.

The previous prime is 55504229899021. The next prime is 55504229899039. The reversal of 55504229899037 is 73099892240555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47821387920601 + 7682841978436 = 6915301^2 + 2771794^2 .

It is a cyclic number.

It is not a de Polignac number, because 55504229899037 - 2⁴ = 55504229899021 is a prime.

Together with 55504229899039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55504229899039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752114949518 + 27752114949519.

It is an arithmetic number, because the mean of its divisors is an integer number (27752114949519).

Almost surely, 2^{55504229899037} is an apocalyptic number.

It is an amenable number.

55504229899037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55504229899037 is an equidigital number, since it uses as much as digits as its factorization.

55504229899037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944000, while the sum is 68.

The spelling of 55504229899037 in words is "fifty-five trillion, five hundred four billion, two hundred twenty-nine million, eight hundred ninety-nine thousand, thirty-seven".