51258006 has 24 divisors (see below), whose sum is σ = 111449520. Its totient is φ = 17025936.

The previous prime is 51257989. The next prime is 51258041. The reversal of 51258006 is 60085215.

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 415 + ... + 10133.

It is an arithmetic number, because the mean of its divisors is an integer number (4643730).

Almost surely, 2^51258006 is an apocalyptic number.

51258006 is an abundant number, since it is smaller than the sum of its proper divisors (60191514).

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

51258006 is a wasteful number, since it uses less digits than its factorization.

51258006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020 (or 10017 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51258006 is about 7159.4696730973. The cubic root of 51258006 is about 371.4672829334.

It can be divided in two parts, 5125 and 8006, that added together give a palindrome (13131).

The spelling of 51258006 in words is "fifty-one million, two hundred fifty-eight thousand, six".