29130550 has 24 divisors (see below), whose sum is σ = 55076832. Its totient is φ = 11460000.

The previous prime is 29130547. The next prime is 29130559. The reversal of 29130550 is 5503192.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1726 + ... + 7825.

It is an arithmetic number, because the mean of its divisors is an integer number (2294868).

Almost surely, 2^29130550 is an apocalyptic number.

29130550 is a deficient number, since it is larger than the sum of its proper divisors (25946282).

29130550 is a wasteful number, since it uses less digits than its factorization.

29130550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624 (or 9619 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 29130550 is about 5397.2724593076. The cubic root of 29130550 is about 307.6920165863.

The spelling of 29130550 in words is "twenty-nine million, one hundred thirty thousand, five hundred fifty".