51498012 has 24 divisors (see below), whose sum is σ = 125387136. Its totient is φ = 16419568.

The previous prime is 51498001. The next prime is 51498017. The reversal of 51498012 is 21089415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498017) 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 7 ways as a sum of consecutive naturals, for example, 93018 + ... + 93569.

It is an arithmetic number, because the mean of its divisors is an integer number (5224464).

Almost surely, 2^51498012 is an apocalyptic number.

It is an amenable number.

51498012 is an abundant number, since it is smaller than the sum of its proper divisors (73889124).

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

51498012 is a wasteful number, since it uses less digits than its factorization.

51498012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186617 (or 186615 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 51498012 is about 7176.2115353437. The cubic root of 51498012 is about 372.0461556790.

The spelling of 51498012 in words is "fifty-one million, four hundred ninety-eight thousand, twelve".