51159044 has 6 divisors (see below), whose sum is σ = 89528334. Its totient is φ = 25579520.

The previous prime is 51159013. The next prime is 51159079. The reversal of 51159044 is 44095115.

It can be written as a sum of positive squares in only one way, i.e., 48469444 + 2689600 = 6962^2 + 1640^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51158998 and 51159016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394877 + ... + 6394884.

It is an arithmetic number, because the mean of its divisors is an integer number (14921389).

Almost surely, 2^51159044 is an apocalyptic number.

It is an amenable number.

51159044 is a deficient number, since it is larger than the sum of its proper divisors (38369290).

51159044 is a wasteful number, since it uses less digits than its factorization.

51159044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789765 (or 12789763 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 51159044 is about 7152.5550679460. Note that the first 3 decimals coincide. The cubic root of 51159044 is about 371.2280693852.

The spelling of 51159044 in words is "fifty-one million, one hundred fifty-nine thousand, forty-four".