55796448 has 96 divisors (see below), whose sum is σ = 156764160. Its totient is φ = 17315840.

The previous prime is 55796443. The next prime is 55796491. The reversal of 55796448 is 84469755.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55796448² = 6226487218833408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (1209600) is a multiple of the sum of its prime factors (400).

It is a junction number, because it is equal to n+sod(n) for n = 55796397 and 55796406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55796443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292033 + ... + 292223.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^55796448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55796448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78382080).

55796448 is an abundant number, since it is smaller than the sum of its proper divisors (100967712).

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

55796448 is a wasteful number, since it uses less digits than its factorization.

55796448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 55796448 is about 7469.7020020882. The cubic root of 55796448 is about 382.1221250015.

The spelling of 55796448 in words is "fifty-five million, seven hundred ninety-six thousand, four hundred forty-eight".