51498051 has 8 divisors (see below), whose sum is σ = 74906304. Its totient is φ = 31210920.

The previous prime is 51498019. The next prime is 51498053. The reversal of 51498051 is 15089415.

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

It is not a de Polignac number, because 51498051 - 2⁵ = 51498019 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1560547 = 51498051 / (5 + 1 + 4 + 9 + 8 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (51498053) 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, 780241 + ... + 780306.

It is an arithmetic number, because the mean of its divisors is an integer number (9363288).

Almost surely, 2^51498051 is an apocalyptic number.

51498051 is a deficient number, since it is larger than the sum of its proper divisors (23408253).

51498051 is a wasteful number, since it uses less digits than its factorization.

51498051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560561.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 51498051 is about 7176.2142526544. The cubic root of 51498051 is about 372.0462495971.

The spelling of 51498051 in words is "fifty-one million, four hundred ninety-eight thousand, fifty-one".