55196904 has 64 divisors (see below), whose sum is σ = 159315840. Its totient is φ = 15609600.

The previous prime is 55196863. The next prime is 55196923. The reversal of 55196904 is 40969155.

55196904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55196904² = 6093396422370432, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 15342 + ... + 18594.

It is an arithmetic number, because the mean of its divisors is an integer number (2489310).

Almost surely, 2^55196904 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 55196904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79657920).

55196904 is an abundant number, since it is smaller than the sum of its proper divisors (104118936).

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

55196904 is a wasteful number, since it uses less digits than its factorization.

55196904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 55196904 is about 7429.4618916850. The cubic root of 55196904 is about 380.7485337843.

The spelling of 55196904 in words is "fifty-five million, one hundred ninety-six thousand, nine hundred four".