54415129 has 2 divisors, whose sum is σ = 54415130. Its totient is φ = 54415128.

The previous prime is 54415103. The next prime is 54415133. The reversal of 54415129 is 92151445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 7011904 = 6885^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 54415129 - 2⁹ = 54414617 is a prime.

It is a super-2 number, since 2×54415129² = 5922012528173282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54415129.

It is not a weakly prime, because it can be changed into another prime (54419129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27207564 + 27207565.

It is an arithmetic number, because the mean of its divisors is an integer number (27207565).

Almost surely, 2^54415129 is an apocalyptic number.

It is an amenable number.

54415129 is a deficient number, since it is larger than the sum of its proper divisors (1).

54415129 is an equidigital number, since it uses as much as digits as its factorization.

54415129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 54415129 is about 7376.6611010673. The cubic root of 54415129 is about 378.9424171607.

The spelling of 54415129 in words is "fifty-four million, four hundred fifteen thousand, one hundred twenty-nine".