29953125 has 56 divisors (see below), whose sum is σ = 56249280. Its totient is φ = 15750000.

The previous prime is 29953117. The next prime is 29953159. The reversal of 29953125 is 52135992.

It is a happy number.

It is not a de Polignac number, because 29953125 - 2³ = 29953117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29953125.

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 421840 + ... + 421910.

Almost surely, 2^29953125 is an apocalyptic number.

29953125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29953125 is a deficient number, since it is larger than the sum of its proper divisors (26296155).

29953125 is an frugal number, since it uses more digits than its factorization.

29953125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 79 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 29953125 is about 5472.9448197474. The cubic root of 29953125 is about 310.5613312067.

The spelling of 29953125 in words is "twenty-nine million, nine hundred fifty-three thousand, one hundred twenty-five".