55449995 has 4 divisors (see below), whose sum is σ = 66540000. Its totient is φ = 44359992.

The previous prime is 55449959. The next prime is 55450009. The reversal of 55449995 is 59994455.

55449995 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 cyclic number.

It is not a de Polignac number, because 55449995 - 2⁸ = 55449739 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5544995 + ... + 5545004.

It is an arithmetic number, because the mean of its divisors is an integer number (16635000).

Almost surely, 2^55449995 is an apocalyptic number.

55449995 is a deficient number, since it is larger than the sum of its proper divisors (11090005).

55449995 is a wasteful number, since it uses less digits than its factorization.

55449995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090004.

The product of its digits is 1458000, while the sum is 50.

The square root of 55449995 is about 7446.4753407233. The cubic root of 55449995 is about 381.3295876128.

The spelling of 55449995 in words is "fifty-five million, four hundred forty-nine thousand, nine hundred ninety-five".