54117829 has 2 divisors, whose sum is σ = 54117830. Its totient is φ = 54117828.

The previous prime is 54117787. The next prime is 54117839. The reversal of 54117829 is 92871145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 10227204 = 6625^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 54117829 - 2¹³ = 54109637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54117839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27058914 + 27058915.

It is an arithmetic number, because the mean of its divisors is an integer number (27058915).

Almost surely, 2^54117829 is an apocalyptic number.

It is an amenable number.

54117829 is a deficient number, since it is larger than the sum of its proper divisors (1).

54117829 is an equidigital number, since it uses as much as digits as its factorization.

54117829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 54117829 is about 7356.4821076381. The cubic root of 54117829 is about 378.2510323587.

It can be divided in two parts, 54117 and 829, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 54117829 in words is "fifty-four million, one hundred seventeen thousand, eight hundred twenty-nine".