55358613 has 16 divisors (see below), whose sum is σ = 86837760. Its totient is φ = 34734528.

The previous prime is 55358603. The next prime is 55358627. The reversal of 55358613 is 31685355.

55358613 is a `hidden beast` number, since 5 + 5 + 35 + 8 + 613 = 666.

55358613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55358613 - 2¹⁷ = 55227541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55358603) 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 15 ways as a sum of consecutive naturals, for example, 59845 + ... + 60762.

It is an arithmetic number, because the mean of its divisors is an integer number (5427360).

Almost surely, 2^55358613 is an apocalyptic number.

It is an amenable number.

55358613 is a deficient number, since it is larger than the sum of its proper divisors (31479147).

55358613 is a wasteful number, since it uses less digits than its factorization.

55358613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120633 (or 120627 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55358613 is about 7440.3368875341. The cubic root of 55358613 is about 381.1199944443.

The spelling of 55358613 in words is "fifty-five million, three hundred fifty-eight thousand, six hundred thirteen".