55425829 has 2 divisors, whose sum is σ = 55425830. Its totient is φ = 55425828.

The previous prime is 55425827. The next prime is 55425901. The reversal of 55425829 is 92852455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 324900 = 7423^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 55425829 - 2¹ = 55425827 is a prime.

Together with 55425827, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 55425791 and 55425800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55425827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27712914 + 27712915.

It is an arithmetic number, because the mean of its divisors is an integer number (27712915).

Almost surely, 2^55425829 is an apocalyptic number.

It is an amenable number.

55425829 is a deficient number, since it is larger than the sum of its proper divisors (1).

55425829 is an equidigital number, since it uses as much as digits as its factorization.

55425829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 40.

The square root of 55425829 is about 7444.8525170080. The cubic root of 55425829 is about 381.2741830401.

The spelling of 55425829 in words is "fifty-five million, four hundred twenty-five thousand, eight hundred twenty-nine".