55727056 has 40 divisors (see below), whose sum is σ = 134616384. Its totient is φ = 21711360.

The previous prime is 55727033. The next prime is 55727081. The reversal of 55727056 is 65072755.

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, 21385 + ... + 23848.

Almost surely, 2^55727056 is an apocalyptic number.

55727056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55727056 is an abundant number, since it is smaller than the sum of its proper divisors (78889328).

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

55727056 is a wasteful number, since it uses less digits than its factorization.

55727056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45259 (or 45253 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 55727056 is about 7465.0556595380. The cubic root of 55727056 is about 381.9636488531.

The spelling of 55727056 in words is "fifty-five million, seven hundred twenty-seven thousand, fifty-six".