55649598 has 16 divisors (see below), whose sum is σ = 113667840. Its totient is φ = 18155096.

The previous prime is 55649543. The next prime is 55649599. The reversal of 55649598 is 89594655.

55649598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55649598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55649599) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 98388 + ... + 98951.

It is an arithmetic number, because the mean of its divisors is an integer number (7104240).

Almost surely, 2^55649598 is an apocalyptic number.

55649598 is an abundant number, since it is smaller than the sum of its proper divisors (58018242).

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

55649598 is a wasteful number, since it uses less digits than its factorization.

55649598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197391.

The product of its digits is 1944000, while the sum is 51.

The square root of 55649598 is about 7459.8658164876. The cubic root of 55649598 is about 381.7865962637.

The spelling of 55649598 in words is "fifty-five million, six hundred forty-nine thousand, five hundred ninety-eight".