55000053 has 20 divisors (see below), whose sum is σ = 84076608. Its totient is φ = 35811720.

The previous prime is 55000031. The next prime is 55000069. The reversal of 55000053 is 35000055.

It is not a de Polignac number, because 55000053 - 2¹² = 54995957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4413 + ... + 11378.

Almost surely, 2^55000053 is an apocalyptic number.

It is an amenable number.

55000053 is a deficient number, since it is larger than the sum of its proper divisors (29076555).

55000053 is a wasteful number, since it uses less digits than its factorization.

55000053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846 (or 15837 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 55000053 is about 7416.2020603541. The cubic root of 55000053 is about 380.2953682315.

The spelling of 55000053 in words is "fifty-five million, fifty-three", and thus it is an aban number and an uban number.