55015056 has 60 divisors (see below), whose sum is σ = 155854608. Its totient is φ = 18113472.

The previous prime is 55015021. The next prime is 55015091. The reversal of 55015056 is 65051055.

55015056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55015021) and next prime (55015091).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9651 + ... + 14253.

Almost surely, 2^55015056 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 55015056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77927304).

55015056 is an abundant number, since it is smaller than the sum of its proper divisors (100839552).

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

55015056 is a wasteful number, since it uses less digits than its factorization.

55015056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700 (or 4691 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 55015056 is about 7417.2134929500. The cubic root of 55015056 is about 380.3299442752.

The spelling of 55015056 in words is "fifty-five million, fifteen thousand, fifty-six".