51032660 has 48 divisors (see below), whose sum is σ = 122895360. Its totient is φ = 17437440.

The previous prime is 51032629. The next prime is 51032677. The reversal of 51032660 is 6623015.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66680 + ... + 67440.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^51032660 is an apocalyptic number.

It is an amenable number.

51032660 is an abundant number, since it is smaller than the sum of its proper divisors (71862700).

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

51032660 is a wasteful number, since it uses less digits than its factorization.

51032660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51032660 is about 7143.7147199479. The cubic root of 51032660 is about 370.9221216791.

Adding to 51032660 its reverse (6623015), we get a palindrome (57655675).

The spelling of 51032660 in words is "fifty-one million, thirty-two thousand, six hundred sixty".