55729504249 has 2 divisors, whose sum is σ = 55729504250. Its totient is φ = 55729504248.

The previous prime is 55729504231. The next prime is 55729504267. The reversal of 55729504249 is 94240592755.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (55729504231) and next prime (55729504267).

It can be written as a sum of positive squares in only one way, i.e., 53804049849 + 1925454400 = 231957^2 + 43880^2 .

It is a cyclic number.

It is not a de Polignac number, because 55729504249 - 2⁷ = 55729504121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55729504196 and 55729504205.

It is not a weakly prime, because it can be changed into another prime (55729504289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27864752124 + 27864752125.

It is an arithmetic number, because the mean of its divisors is an integer number (27864752125).

Almost surely, 2^55729504249 is an apocalyptic number.

It is an amenable number.

55729504249 is a deficient number, since it is larger than the sum of its proper divisors (1).

55729504249 is an equidigital number, since it uses as much as digits as its factorization.

55729504249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 55729504249 in words is "fifty-five billion, seven hundred twenty-nine million, five hundred four thousand, two hundred forty-nine".