55054529 has 2 divisors, whose sum is σ = 55054530. Its totient is φ = 55054528.

The previous prime is 55054523. The next prime is 55054541. The reversal of 55054529 is 92545055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 20948929 = 5840^2 + 4577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55054529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55054523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527264 + 27527265.

It is an arithmetic number, because the mean of its divisors is an integer number (27527265).

Almost surely, 2^55054529 is an apocalyptic number.

It is an amenable number.

55054529 is a deficient number, since it is larger than the sum of its proper divisors (1).

55054529 is an equidigital number, since it uses as much as digits as its factorization.

55054529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 55054529 is about 7419.8739207617. The cubic root of 55054529 is about 380.4208840765.

The spelling of 55054529 in words is "fifty-five million, fifty-four thousand, five hundred twenty-nine".