29054431 has 4 divisors (see below), whose sum is σ = 33205072. Its totient is φ = 24903792.

The previous prime is 29054429. The next prime is 29054437. The reversal of 29054431 is 13445092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29054431 - 2¹ = 29054429 is a prime.

It is a super-2 number, since 2×29054431² = 1688319921467522, which contains 22 as substring.

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 29054431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29054437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075310 + ... + 2075323.

It is an arithmetic number, because the mean of its divisors is an integer number (8301268).

Almost surely, 2^29054431 is an apocalyptic number.

29054431 is a deficient number, since it is larger than the sum of its proper divisors (4150641).

29054431 is an equidigital number, since it uses as much as digits as its factorization.

29054431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150640.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 29054431 is about 5390.2162294290. The cubic root of 29054431 is about 307.4237799941.

The spelling of 29054431 in words is "twenty-nine million, fifty-four thousand, four hundred thirty-one".