29728055 has 24 divisors (see below), whose sum is σ = 42107040. Its totient is φ = 20086080.

The previous prime is 29728031. The next prime is 29728063. The reversal of 29728055 is 55082792.

It is not a de Polignac number, because 29728055 - 2⁶ = 29727991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16541 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (1754460).

Almost surely, 2^29728055 is an apocalyptic number.

29728055 is a deficient number, since it is larger than the sum of its proper divisors (12378985).

29728055 is a wasteful number, since it uses less digits than its factorization.

29728055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 29728055 is about 5452.3439913490. The cubic root of 29728055 is about 309.7815144503.

The spelling of 29728055 in words is "twenty-nine million, seven hundred twenty-eight thousand, fifty-five".