55456896 has 128 divisors (see below), whose sum is σ = 169401600. Its totient is φ = 15897600.

The previous prime is 55456889. The next prime is 55456927. The reversal of 55456896 is 69865455.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79911 + ... + 80601.

It is an arithmetic number, because the mean of its divisors is an integer number (1323450).

Almost surely, 2^55456896 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 55456896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84700800).

55456896 is an abundant number, since it is smaller than the sum of its proper divisors (113944704).

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

55456896 is a wasteful number, since it uses less digits than its factorization.

55456896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 726 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 55456896 is about 7446.9386998954. The cubic root of 55456896 is about 381.3454063478.

The spelling of 55456896 in words is "fifty-five million, four hundred fifty-six thousand, eight hundred ninety-six".