51529296 has 160 divisors (see below), whose sum is σ = 167989248. Its totient is φ = 13248000.

The previous prime is 51529277. The next prime is 51529297. The reversal of 51529296 is 69292515.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51529297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205171 + ... + 205421.

Almost surely, 2^51529296 is an apocalyptic number.

51529296 is a gapful number since it is divisible by the number (56) 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 51529296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83994624).

51529296 is an abundant number, since it is smaller than the sum of its proper divisors (116459952).

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

51529296 is a wasteful number, since it uses less digits than its factorization.

51529296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 323 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 51529296 is about 7178.3909060457. The cubic root of 51529296 is about 372.1214772654.

The spelling of 51529296 in words is "fifty-one million, five hundred twenty-nine thousand, two hundred ninety-six".