55784598 has 16 divisors (see below), whose sum is σ = 111653040. Its totient is φ = 18580896.

The previous prime is 55784587. The next prime is 55784653. The reversal of 55784598 is 89548755.

55784598 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 2×55784598² = 6223842748043208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55784598.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8136 + ... + 13332.

It is an arithmetic number, because the mean of its divisors is an integer number (6978315).

Almost surely, 2^55784598 is an apocalyptic number.

55784598 is an abundant number, since it is smaller than the sum of its proper divisors (55868442).

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

55784598 is a wasteful number, since it uses less digits than its factorization.

55784598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991.

The product of its digits is 2016000, while the sum is 51.

The square root of 55784598 is about 7468.9087556349. The cubic root of 55784598 is about 382.0950715005.

The spelling of 55784598 in words is "fifty-five million, seven hundred eighty-four thousand, five hundred ninety-eight".