55049929 has 4 divisors (see below), whose sum is σ = 60054480. Its totient is φ = 50045380.

The previous prime is 55049923. The next prime is 55049941. The reversal of 55049929 is 92994055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-55049929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55049923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502259 + ... + 2502280.

It is an arithmetic number, because the mean of its divisors is an integer number (15013620).

Almost surely, 2^55049929 is an apocalyptic number.

It is an amenable number.

55049929 is a deficient number, since it is larger than the sum of its proper divisors (5004551).

55049929 is a wasteful number, since it uses less digits than its factorization.

55049929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004550.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 55049929 is about 7419.5639359736. The cubic root of 55049929 is about 380.4102886127.

The spelling of 55049929 in words is "fifty-five million, forty-nine thousand, nine hundred twenty-nine".