29211057 has 8 divisors (see below), whose sum is σ = 43275680. Its totient is φ = 19474020.

The previous prime is 29211053. The next prime is 29211059. The reversal of 29211057 is 75011292.

It is not a de Polignac number, because 29211057 - 2² = 29211053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1081891 = 29211057 / (2 + 9 + 2 + 1 + 1 + 0 + 5 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29211057.

It is not an unprimeable number, because it can be changed into a prime (29211053) 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, 540919 + ... + 540972.

It is an arithmetic number, because the mean of its divisors is an integer number (5409460).

Almost surely, 2^29211057 is an apocalyptic number.

29211057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

29211057 is a deficient number, since it is larger than the sum of its proper divisors (14064623).

29211057 is a wasteful number, since it uses less digits than its factorization.

29211057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081900 (or 1081894 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 29211057 is about 5404.7254324341. The cubic root of 29211057 is about 307.9752081299.

The spelling of 29211057 in words is "twenty-nine million, two hundred eleven thousand, fifty-seven".