51529005 has 48 divisors (see below), whose sum is σ = 99852480. Its totient is φ = 24364800.

The previous prime is 51529003. The next prime is 51529013. The reversal of 51529005 is 50092515.

It is not a de Polignac number, because 51529005 - 2¹ = 51529003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51529005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51529001) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 19026 + ... + 21564.

It is an arithmetic number, because the mean of its divisors is an integer number (2080260).

Almost surely, 2^51529005 is an apocalyptic number.

51529005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51529005 is a deficient number, since it is larger than the sum of its proper divisors (48323475).

51529005 is a wasteful number, since it uses less digits than its factorization.

51529005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 51529005 is about 7178.3706368507. The cubic root of 51529005 is about 372.1207767736.

The spelling of 51529005 in words is "fifty-one million, five hundred twenty-nine thousand, five".