29550000 has 120 divisors (see below), whose sum is σ = 95900112. Its totient is φ = 7840000.

The previous prime is 29549969. The next prime is 29550007. The reversal of 29550000 is 5592.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (29550007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149902 + ... + 150098.

Almost surely, 2^29550000 is an apocalyptic number.

29550000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47950056).

29550000 is an abundant number, since it is smaller than the sum of its proper divisors (66350112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29550000 is an equidigital number, since it uses as much as digits as its factorization.

29550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 29550000 is about 5435.9911699708. The cubic root of 29550000 is about 309.1618008726.

Adding to 29550000 its reverse (5592), we get a palindrome (29555592).

The spelling of 29550000 in words is "twenty-nine million, five hundred fifty thousand".