55429305 has 16 divisors (see below), whose sum is σ = 89567424. Its totient is φ = 29268800.

The previous prime is 55429273. The next prime is 55429307. The reversal of 55429305 is 50392455.

It is not a de Polignac number, because 55429305 - 2⁵ = 55429273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55429307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16779 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (5597964).

Almost surely, 2^55429305 is an apocalyptic number.

It is an amenable number.

55429305 is a deficient number, since it is larger than the sum of its proper divisors (34138119).

55429305 is a wasteful number, since it uses less digits than its factorization.

55429305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36696.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55429305 is about 7445.0859632378. The cubic root of 55429305 is about 381.2821533395.

The spelling of 55429305 in words is "fifty-five million, four hundred twenty-nine thousand, three hundred five".