29288057 has 8 divisors (see below), whose sum is σ = 30394440. Its totient is φ = 28188160.

The previous prime is 29288047. The next prime is 29288069. The reversal of 29288057 is 75088292.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4177936 + 25110121 = 2044^2 + 5011^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29288057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29288047) 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 7 ways as a sum of consecutive naturals, for example, 8807 + ... + 11667.

It is an arithmetic number, because the mean of its divisors is an integer number (3799305).

Almost surely, 2^29288057 is an apocalyptic number.

It is an amenable number.

29288057 is a deficient number, since it is larger than the sum of its proper divisors (1106383).

29288057 is a wasteful number, since it uses less digits than its factorization.

29288057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 29288057 is about 5411.8441404017. The cubic root of 29288057 is about 308.2455770384.

The spelling of 29288057 in words is "twenty-nine million, two hundred eighty-eight thousand, fifty-seven".