54912829 has 2 divisors, whose sum is σ = 54912830. Its totient is φ = 54912828.

The previous prime is 54912827. The next prime is 54912833. The reversal of 54912829 is 92821945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 5280804 = 7045^2 + 2298^2 .

It is a cyclic number.

It is not a de Polignac number, because 54912829 - 2¹ = 54912827 is a prime.

Together with 54912827, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54912791 and 54912800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54912827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27456414 + 27456415.

It is an arithmetic number, because the mean of its divisors is an integer number (27456415).

Almost surely, 2^54912829 is an apocalyptic number.

It is an amenable number.

54912829 is a deficient number, since it is larger than the sum of its proper divisors (1).

54912829 is an equidigital number, since it uses as much as digits as its factorization.

54912829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 54912829 is about 7410.3190889462. The cubic root of 54912829 is about 380.0942264025.

The spelling of 54912829 in words is "fifty-four million, nine hundred twelve thousand, eight hundred twenty-nine".