55685466 has 24 divisors (see below), whose sum is σ = 127002720. Its totient is φ = 17584776.

The previous prime is 55685417. The next prime is 55685467. The reversal of 55685466 is 66458655.

It is a happy number.

55685466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55685466² = 6201742247274312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55685467) 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 11 ways as a sum of consecutive naturals, for example, 81070 + ... + 81753.

It is an arithmetic number, because the mean of its divisors is an integer number (5291780).

Almost surely, 2^55685466 is an apocalyptic number.

55685466 is an abundant number, since it is smaller than the sum of its proper divisors (71317254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55685466 is a wasteful number, since it uses less digits than its factorization.

55685466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162850 (or 162847 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 55685466 is about 7462.2694939274. The cubic root of 55685466 is about 381.8686033289.

The spelling of 55685466 in words is "fifty-five million, six hundred eighty-five thousand, four hundred sixty-six".