55412256 has 48 divisors (see below), whose sum is σ = 147468384. Its totient is φ = 18215424.

The previous prime is 55412233. The next prime is 55412297. The reversal of 55412256 is 65221455.

It is a tau number, because it is divible by the number of its divisors (48).

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, 3055 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (3072258).

Almost surely, 2^55412256 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 55412256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73734192).

55412256 is an abundant number, since it is smaller than the sum of its proper divisors (92056128).

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

55412256 is a wasteful number, since it uses less digits than its factorization.

55412256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993 (or 7985 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 55412256 is about 7443.9408917589. The cubic root of 55412256 is about 381.2430576179.

The spelling of 55412256 in words is "fifty-five million, four hundred twelve thousand, two hundred fifty-six".