55049329 has 4 divisors (see below), whose sum is σ = 55065600. Its totient is φ = 55033060.

The previous prime is 55049321. The next prime is 55049339. The reversal of 55049329 is 92394055.

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 cyclic number.

It is not a de Polignac number, because 55049329 - 2³ = 55049321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55049321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (13766400).

Almost surely, 2^55049329 is an apocalyptic number.

It is an amenable number.

55049329 is a deficient number, since it is larger than the sum of its proper divisors (16271).

55049329 is a wasteful number, since it uses less digits than its factorization.

55049329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 55049329 is about 7419.5235022203. The cubic root of 55049329 is about 380.4089065522.

The spelling of 55049329 in words is "fifty-five million, forty-nine thousand, three hundred twenty-nine".