51829290 has 48 divisors (see below), whose sum is σ = 136670976. Its totient is φ = 13624800.

The previous prime is 51829279. The next prime is 51829307. The reversal of 51829290 is 9292815.

51829290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2335 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (2847312).

Almost surely, 2^51829290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51829290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68335488).

51829290 is an abundant number, since it is smaller than the sum of its proper divisors (84841686).

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

51829290 is a wasteful number, since it uses less digits than its factorization.

51829290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8195 (or 8192 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 51829290 is about 7199.2562115819. The cubic root of 51829290 is about 372.8422211218.

The spelling of 51829290 in words is "fifty-one million, eight hundred twenty-nine thousand, two hundred ninety".