55466613 has 10 divisors (see below), whose sum is σ = 82857654. Its totient is φ = 36977688.

The previous prime is 55466581. The next prime is 55466623. The reversal of 55466613 is 31666455.

It can be written as a sum of positive squares in only one way, i.e., 32970564 + 22496049 = 5742^2 + 4743^2 .

It is not a de Polignac number, because 55466613 - 2⁵ = 55466581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55466623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342306 + ... + 342467.

Almost surely, 2^55466613 is an apocalyptic number.

It is an amenable number.

55466613 is a deficient number, since it is larger than the sum of its proper divisors (27391041).

55466613 is an equidigital number, since it uses as much as digits as its factorization.

55466613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684785 (or 684776 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55466613 is about 7447.5910870563. The cubic root of 55466613 is about 381.3676778005.

The spelling of 55466613 in words is "fifty-five million, four hundred sixty-six thousand, six hundred thirteen".