51498086 has 8 divisors (see below), whose sum is σ = 78704784. Its totient is φ = 25263160.

The previous prime is 51498079. The next prime is 51498089. The reversal of 51498086 is 68089415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242810 + ... + 243021.

It is an arithmetic number, because the mean of its divisors is an integer number (9838098).

Almost surely, 2^51498086 is an apocalyptic number.

51498086 is a deficient number, since it is larger than the sum of its proper divisors (27206698).

51498086 is a wasteful number, since it uses less digits than its factorization.

51498086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485886.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 51498086 is about 7176.2166912657. The cubic root of 51498086 is about 372.0463338826.

The spelling of 51498086 in words is "fifty-one million, four hundred ninety-eight thousand, eighty-six".