55616053 has 4 divisors (see below), whose sum is σ = 55639980. Its totient is φ = 55592128.

The previous prime is 55616039. The next prime is 55616083. The reversal of 55616053 is 35061655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35061655 = 5 ⋅7012331.

It can be written as a sum of positive squares in 2 ways, for example, as 46812964 + 8803089 = 6842^2 + 2967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55616053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (13909995).

Almost surely, 2^55616053 is an apocalyptic number.

It is an amenable number.

55616053 is a deficient number, since it is larger than the sum of its proper divisors (23927).

55616053 is a wasteful number, since it uses less digits than its factorization.

55616053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23926.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55616053 is about 7457.6171127244. The cubic root of 55616053 is about 381.7098685124.

The spelling of 55616053 in words is "fifty-five million, six hundred sixteen thousand, fifty-three".