51490030146 has 8 divisors (see below), whose sum is σ = 102980060304. Its totient is φ = 17163343380.

The previous prime is 51490030133. The next prime is 51490030183. The reversal of 51490030146 is 64103009415.

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

51490030146 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290835840 + ... + 4290835851.

It is an arithmetic number, because the mean of its divisors is an integer number (12872507538).

Almost surely, 2^51490030146 is an apocalyptic number.

51490030146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51490030146 is a wasteful number, since it uses less digits than its factorization.

51490030146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581671696.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 51490030146 in words is "fifty-one billion, four hundred ninety million, thirty thousand, one hundred forty-six".