55237494329 has 2 divisors, whose sum is σ = 55237494330. Its totient is φ = 55237494328.

The previous prime is 55237494289. The next prime is 55237494373. The reversal of 55237494329 is 92349473255.

It is a happy number.

55237494329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29335810729 + 25901683600 = 171277^2 + 160940^2 .

It is a cyclic number.

It is not a de Polignac number, because 55237494329 - 2¹² = 55237490233 is a prime.

It is not a weakly prime, because it can be changed into another prime (55237494229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27618747164 + 27618747165.

It is an arithmetic number, because the mean of its divisors is an integer number (27618747165).

Almost surely, 2^55237494329 is an apocalyptic number.

It is an amenable number.

55237494329 is a deficient number, since it is larger than the sum of its proper divisors (1).

55237494329 is an equidigital number, since it uses as much as digits as its factorization.

55237494329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 53.

The spelling of 55237494329 in words is "fifty-five billion, two hundred thirty-seven million, four hundred ninety-four thousand, three hundred twenty-nine".