55456443 has 24 divisors (see below), whose sum is σ = 91922688. Its totient is φ = 31559472.

The previous prime is 55456441. The next prime is 55456463. The reversal of 55456443 is 34465455.

55456443 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 644 + 3 = 666.

It is not a de Polignac number, because 55456443 - 2¹ = 55456441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55456398 and 55456407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14896 + ... + 18242.

It is an arithmetic number, because the mean of its divisors is an integer number (3830112).

Almost surely, 2^55456443 is an apocalyptic number.

55456443 is a deficient number, since it is larger than the sum of its proper divisors (36466245).

55456443 is a wasteful number, since it uses less digits than its factorization.

55456443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3620 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 55456443 is about 7446.9082846508. The cubic root of 55456443 is about 381.3443680042.

The spelling of 55456443 in words is "fifty-five million, four hundred fifty-six thousand, four hundred forty-three".