55412429 has 2 divisors, whose sum is σ = 55412430. Its totient is φ = 55412428.

The previous prime is 55412381. The next prime is 55412431. The reversal of 55412429 is 92421455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40934404 + 14478025 = 6398^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 55412429 - 2⁸ = 55412173 is a prime.

Together with 55412431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55412395 and 55412404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55412459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27706214 + 27706215.

It is an arithmetic number, because the mean of its divisors is an integer number (27706215).

Almost surely, 2^55412429 is an apocalyptic number.

It is an amenable number.

55412429 is a deficient number, since it is larger than the sum of its proper divisors (1).

55412429 is an equidigital number, since it uses as much as digits as its factorization.

55412429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 55412429 is about 7443.9525119388. The cubic root of 55412429 is about 381.2434543712.

The spelling of 55412429 in words is "fifty-five million, four hundred twelve thousand, four hundred twenty-nine".