55884646 has 4 divisors (see below), whose sum is σ = 83826972. Its totient is φ = 27942322.

The previous prime is 55884617. The next prime is 55884667. The reversal of 55884646 is 64648855.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 55884596 and 55884605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13971160 + ... + 13971163.

It is an arithmetic number, because the mean of its divisors is an integer number (20956743).

Almost surely, 2^55884646 is an apocalyptic number.

55884646 is a deficient number, since it is larger than the sum of its proper divisors (27942326).

55884646 is a wasteful number, since it uses less digits than its factorization.

55884646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27942325.

The product of its digits is 921600, while the sum is 46.

The square root of 55884646 is about 7475.6033870183. The cubic root of 55884646 is about 382.3233604209.

The spelling of 55884646 in words is "fifty-five million, eight hundred eighty-four thousand, six hundred forty-six".