55488493429 has 2 divisors, whose sum is σ = 55488493430. Its totient is φ = 55488493428.

The previous prime is 55488493409. The next prime is 55488493507. The reversal of 55488493429 is 92439488455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44677276900 + 10811216529 = 211370^2 + 103977^2 .

It is a cyclic number.

It is not a de Polignac number, because 55488493429 - 2²⁵ = 55454938997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55488493409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27744246714 + 27744246715.

It is an arithmetic number, because the mean of its divisors is an integer number (27744246715).

Almost surely, 2^55488493429 is an apocalyptic number.

It is an amenable number.

55488493429 is a deficient number, since it is larger than the sum of its proper divisors (1).

55488493429 is an equidigital number, since it uses as much as digits as its factorization.

55488493429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49766400, while the sum is 61.

The spelling of 55488493429 in words is "fifty-five billion, four hundred eighty-eight million, four hundred ninety-three thousand, four hundred twenty-nine".