55611798 has 32 divisors (see below), whose sum is σ = 121599360.
Its totient is φ = 16815360.
The previous prime is 55611797. The next prime is 55611827. The reversal of 55611798 is 89711655.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55611791) by changing a digit.
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, 59398 + ... + 60326.
It is an arithmetic number, because the mean of its divisors is an integer number (3799980).
Almost surely, 255611798 is an apocalyptic number.
55611798 is an abundant number, since it is smaller than the sum of its proper divisors (65987562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55611798 is a wasteful number, since it uses less digits than its factorization.
55611798 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1852.
The product of its digits is 75600, while the sum is 42.
The square root of 55611798 is about 7457.3318284759.
The cubic root of 55611798 is about 381.7001338116.
The spelling of 55611798 in words is "fifty-five million, six hundred eleven thousand, seven hundred ninety-eight".