55891104 has 96 divisors (see below), whose sum is σ = 162207360. Its totient is φ = 16760832.

The previous prime is 55891061. The next prime is 55891111. The reversal of 55891104 is 40119855.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36792 + ... + 38280.

It is an arithmetic number, because the mean of its divisors is an integer number (1689660).

Almost surely, 2^55891104 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 55891104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81103680).

55891104 is an abundant number, since it is smaller than the sum of its proper divisors (106316256).

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

55891104 is a wasteful number, since it uses less digits than its factorization.

55891104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 55891104 is about 7476.0353129182. The cubic root of 55891104 is about 382.3380868818.

It can be divided in two parts, 5589 and 1104, that multiplied together give a square (6170256 = 2484²).

The spelling of 55891104 in words is "fifty-five million, eight hundred ninety-one thousand, one hundred four".