29181057 has 8 divisors (see below), whose sum is σ = 39377184. Its totient is φ = 19219488.

The previous prime is 29181041. The next prime is 29181059. The reversal of 29181057 is 75018192.

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

It is not a de Polignac number, because 29181057 - 2⁴ = 29181041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29181059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58348 + ... + 58845.

It is an arithmetic number, because the mean of its divisors is an integer number (4922148).

Almost surely, 2^29181057 is an apocalyptic number.

It is an amenable number.

29181057 is a deficient number, since it is larger than the sum of its proper divisors (10196127).

29181057 is a wasteful number, since it uses less digits than its factorization.

29181057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117279.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 29181057 is about 5401.9493703662. The cubic root of 29181057 is about 307.8697409777.

The spelling of 29181057 in words is "twenty-nine million, one hundred eighty-one thousand, fifty-seven".