55350656 has 64 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 26357760.

The previous prime is 55350653. The next prime is 55350661. The reversal of 55350656 is 65605355.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55350653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278045 + ... + 278243.

Almost surely, 2^55350656 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 55350656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57834000).

55350656 is an abundant number, since it is smaller than the sum of its proper divisors (60317344).

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

55350656 is a wasteful number, since it uses less digits than its factorization.

55350656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 55350656 is about 7439.8021479069. The cubic root of 55350656 is about 381.1017334069.

The spelling of 55350656 in words is "fifty-five million, three hundred fifty thousand, six hundred fifty-six".