51498650 has 24 divisors (see below), whose sum is σ = 109472160. Its totient is φ = 17656560.

The previous prime is 51498641. The next prime is 51498673. The reversal of 51498650 is 5689415.

51498650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51498650² = 5304221903645000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73220 + ... + 73919.

It is an arithmetic number, because the mean of its divisors is an integer number (4561340).

Almost surely, 2^51498650 is an apocalyptic number.

51498650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51498650 is an abundant number, since it is smaller than the sum of its proper divisors (57973510).

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

51498650 is a wasteful number, since it uses less digits than its factorization.

51498650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147158 (or 147153 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 51498650 is about 7176.2559876303. The cubic root of 51498650 is about 372.0476920779.

The spelling of 51498650 in words is "fifty-one million, four hundred ninety-eight thousand, six hundred fifty".