51498260 has 24 divisors (see below), whose sum is σ = 117978336. Its totient is φ = 18726560.

The previous prime is 51498259. The next prime is 51498269. The reversal of 51498260 is 6289415.

It is a self number, because there is not a number n which added to its sum of digits gives 51498260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498269) 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, 116822 + ... + 117261.

It is an arithmetic number, because the mean of its divisors is an integer number (4915764).

Almost surely, 2^51498260 is an apocalyptic number.

It is an amenable number.

51498260 is an abundant number, since it is smaller than the sum of its proper divisors (66480076).

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

51498260 is a wasteful number, since it uses less digits than its factorization.

51498260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234103 (or 234101 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51498260 is about 7176.2288146352. The cubic root of 51498260 is about 372.0467529014.

The spelling of 51498260 in words is "fifty-one million, four hundred ninety-eight thousand, two hundred sixty".