55996448 has 48 divisors (see below), whose sum is σ = 115577280. Its totient is φ = 26670336.

The previous prime is 55996433. The next prime is 55996469. The reversal of 55996448 is 84469955.

It is a junction number, because it is equal to n+sod(n) for n = 55996396 and 55996405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76661 + ... + 77387.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^55996448 is an apocalyptic number.

55996448 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55996448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57788640).

55996448 is an abundant number, since it is smaller than the sum of its proper divisors (59580832).

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

55996448 is a wasteful number, since it uses less digits than its factorization.

55996448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 841 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 55996448 is about 7483.0774418016. The cubic root of 55996448 is about 382.5781474173.

The spelling of 55996448 in words is "fifty-five million, nine hundred ninety-six thousand, four hundred forty-eight".