29055891 has 8 divisors (see below), whose sum is σ = 38979520. Its totient is φ = 19251432.

The previous prime is 29055853. The next prime is 29055899. The reversal of 29055891 is 19855092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29055891 - 2¹⁵ = 29023123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29055899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29221 + ... + 30198.

It is an arithmetic number, because the mean of its divisors is an integer number (4872440).

Almost surely, 2^29055891 is an apocalyptic number.

29055891 is a deficient number, since it is larger than the sum of its proper divisors (9923629).

29055891 is a wasteful number, since it uses less digits than its factorization.

29055891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59585.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 29055891 is about 5390.3516582872. The cubic root of 29055891 is about 307.4289293085.

The spelling of 29055891 in words is "twenty-nine million, fifty-five thousand, eight hundred ninety-one".