55306976 has 48 divisors (see below), whose sum is σ = 113541120. Its totient is φ = 26490240.

The previous prime is 55306943. The next prime is 55306997. The reversal of 55306976 is 67960355.

It is a congruent number.

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, 125765 + ... + 126203.

It is an arithmetic number, because the mean of its divisors is an integer number (2365440).

Almost surely, 2^55306976 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 55306976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56770560).

55306976 is an abundant number, since it is smaller than the sum of its proper divisors (58234144).

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

55306976 is a wasteful number, since it uses less digits than its factorization.

55306976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 55306976 is about 7436.8660065918. The cubic root of 55306976 is about 381.0014581455.

The spelling of 55306976 in words is "fifty-five million, three hundred six thousand, nine hundred seventy-six".