29056457 has 8 divisors (see below), whose sum is σ = 29568000. Its totient is φ = 28549584.

The previous prime is 29056441. The next prime is 29056471. The reversal of 29056457 is 75465092.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 29056457 - 2⁴ = 29056441 is a prime.

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 29056457.

It is not an unprimeable number, because it can be changed into a prime (29056487) 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, 12794 + ... + 14892.

It is an arithmetic number, because the mean of its divisors is an integer number (3696000).

Almost surely, 2^29056457 is an apocalyptic number.

It is an amenable number.

29056457 is a deficient number, since it is larger than the sum of its proper divisors (511543).

29056457 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (29056456) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2335).

29056457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 29056457 is about 5390.4041592445. The cubic root of 29056457 is about 307.4309255031.

The spelling of 29056457 in words is "twenty-nine million, fifty-six thousand, four hundred fifty-seven".