55944930 has 64 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 13893120.

The previous prime is 55944907. The next prime is 55944961. The reversal of 55944930 is 3944955.

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, 33966 + ... + 35574.

It is an arithmetic number, because the mean of its divisors is an integer number (2245950).

Almost surely, 2^55944930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55944930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71870400).

55944930 is an abundant number, since it is smaller than the sum of its proper divisors (87795870).

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

55944930 is a wasteful number, since it uses less digits than its factorization.

55944930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 55944930 is about 7479.6343493516. The cubic root of 55944930 is about 382.4607845652.

The spelling of 55944930 in words is "fifty-five million, nine hundred forty-four thousand, nine hundred thirty".