55466642 has 48 divisors (see below), whose sum is σ = 105719040. Its totient is φ = 21362880.

The previous prime is 55466623. The next prime is 55466711. The reversal of 55466642 is 24666455.

55466642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55466596 and 55466605.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 231959 + ... + 232197.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^55466642 is an apocalyptic number.

55466642 is a deficient number, since it is larger than the sum of its proper divisors (50252398).

55466642 is a wasteful number, since it uses less digits than its factorization.

55466642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 396 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 55466642 is about 7447.5930339943. The cubic root of 55466642 is about 381.3677442649.

The spelling of 55466642 in words is "fifty-five million, four hundred sixty-six thousand, six hundred forty-two".