55419655 has 4 divisors (see below), whose sum is σ = 66503592. Its totient is φ = 44335720.

The previous prime is 55419641. The next prime is 55419671. The reversal of 55419655 is 55691455.

55419655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-55419655 is a prime.

It is a Duffinian number.

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 an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541961 + ... + 5541970.

It is an arithmetic number, because the mean of its divisors is an integer number (16625898).

Almost surely, 2^55419655 is an apocalyptic number.

55419655 is a deficient number, since it is larger than the sum of its proper divisors (11083937).

55419655 is a wasteful number, since it uses less digits than its factorization.

55419655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083936.

The product of its digits is 135000, while the sum is 40.

The square root of 55419655 is about 7444.4378565477. The cubic root of 55419655 is about 381.2600255359.

The spelling of 55419655 in words is "fifty-five million, four hundred nineteen thousand, six hundred fifty-five".