55549056 has 32 divisors (see below), whose sum is σ = 147553200. Its totient is φ = 18516224.

The previous prime is 55549037. The next prime is 55549057. The reversal of 55549056 is 65094555.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×55549056² = 6171395244982272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55549057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71946 + ... + 72713.

Almost surely, 2^55549056 is an apocalyptic number.

It is an amenable number.

55549056 is an abundant number, since it is smaller than the sum of its proper divisors (92004144).

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

55549056 is a wasteful number, since it uses less digits than its factorization.

55549056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144676 (or 144664 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 55549056 is about 7453.1239088050. The cubic root of 55549056 is about 381.5565333365.

The spelling of 55549056 in words is "fifty-five million, five hundred forty-nine thousand, fifty-six".