55004646 has 8 divisors (see below), whose sum is σ = 110009304. Its totient is φ = 18334880.

The previous prime is 55004641. The next prime is 55004647. The reversal of 55004646 is 64640055.

It is a sphenic number, since it is the product of 3 distinct primes.

55004646 is an admirable number.

It is a super-2 number, since 2×55004646² = 6051022163170632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55004641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583715 + ... + 4583726.

It is an arithmetic number, because the mean of its divisors is an integer number (13751163).

Almost surely, 2^55004646 is an apocalyptic number.

55004646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55004646 is a wasteful number, since it uses less digits than its factorization.

55004646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167446.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 55004646 is about 7416.5117137371. The cubic root of 55004646 is about 380.3059539668.

The spelling of 55004646 in words is "fifty-five million, four thousand, six hundred forty-six".