55056030 has 64 divisors (see below), whose sum is σ = 143373888. Its totient is φ = 13475840.

The previous prime is 55056017. The next prime is 55056073. The reversal of 55056030 is 3065055.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19594 + ... + 22226.

It is an arithmetic number, because the mean of its divisors is an integer number (2240217).

Almost surely, 2^55056030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55056030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71686944).

55056030 is an abundant number, since it is smaller than the sum of its proper divisors (88317858).

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

55056030 is a wasteful number, since it uses less digits than its factorization.

55056030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55056030 is about 7419.9750673436. The cubic root of 55056030 is about 380.4243412947.

The spelling of 55056030 in words is "fifty-five million, fifty-six thousand, thirty".