51051485 has 8 divisors (see below), whose sum is σ = 62125056. Its totient is φ = 40265680.

The previous prime is 51051419. The next prime is 51051487. The reversal of 51051485 is 58415015.

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

It is not a de Polignac number, because 51051485 - 2¹⁸ = 50789341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71549 + ... + 72258.

It is an arithmetic number, because the mean of its divisors is an integer number (7765632).

Almost surely, 2^51051485 is an apocalyptic number.

It is an amenable number.

51051485 is a deficient number, since it is larger than the sum of its proper divisors (11073571).

51051485 is a wasteful number, since it uses less digits than its factorization.

51051485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143883.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 51051485 is about 7145.0321902704. The cubic root of 51051485 is about 370.9677248316.

The spelling of 51051485 in words is "fifty-one million, fifty-one thousand, four hundred eighty-five".