55554646 has 24 divisors (see below), whose sum is σ = 96436080. Its totient is φ = 23512800.

The previous prime is 55554643. The next prime is 55554647. The reversal of 55554646 is 64645555.

Its product of digits (360000) is a multiple of the sum of its prime factors (600).

It is a junction number, because it is equal to n+sod(n) for n = 55554599 and 55554608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55554641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142620 + ... + 143008.

It is an arithmetic number, because the mean of its divisors is an integer number (4018170).

Almost surely, 2^55554646 is an apocalyptic number.

55554646 is a deficient number, since it is larger than the sum of its proper divisors (40881434).

55554646 is a wasteful number, since it uses less digits than its factorization.

55554646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 499 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The square root of 55554646 is about 7453.4989099080. The cubic root of 55554646 is about 381.5693318107.

Subtracting 55554646 from its reverse (64645555), we obtain a palindrome (9090909).

It can be divided in two parts, 5555 and 4646, that added together give a palindrome (10201).

The spelling of 55554646 in words is "fifty-five million, five hundred fifty-four thousand, six hundred forty-six".