55534613 has 4 divisors (see below), whose sum is σ = 56073888. Its totient is φ = 54995340.

The previous prime is 55534607. The next prime is 55534621. The reversal of 55534613 is 31643555.

55534613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31643555 = 5 ⋅6328711.

It is a cyclic number.

It is not a de Polignac number, because 55534613 - 2¹⁰ = 55533589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55534613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55534603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269483 + ... + 269688.

It is an arithmetic number, because the mean of its divisors is an integer number (14018472).

Almost surely, 2^55534613 is an apocalyptic number.

It is an amenable number.

55534613 is a deficient number, since it is larger than the sum of its proper divisors (539275).

55534613 is a wasteful number, since it uses less digits than its factorization.

55534613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539274.

The product of its digits is 27000, while the sum is 32.

The square root of 55534613 is about 7452.1549232420. The cubic root of 55534613 is about 381.5234616752.

The spelling of 55534613 in words is "fifty-five million, five hundred thirty-four thousand, six hundred thirteen".