51485045 has 8 divisors (see below), whose sum is σ = 61861560. Its totient is φ = 41135040.

The previous prime is 51485039. The next prime is 51485051. The reversal of 51485045 is 54058415.

51485045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51485039) and next prime (51485051).

It can be written as a sum of positive squares in 4 ways, for example, as 19483396 + 32001649 = 4414^2 + 5657^2 .

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

It is not a de Polignac number, because 51485045 - 2¹⁰ = 51484021 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2066 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (7732695).

Almost surely, 2^51485045 is an apocalyptic number.

It is an amenable number.

51485045 is a deficient number, since it is larger than the sum of its proper divisors (10376515).

51485045 is a wasteful number, since it uses less digits than its factorization.

51485045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 51485045 is about 7175.3080073262. The cubic root of 51485045 is about 372.0149264639.

The spelling of 51485045 in words is "fifty-one million, four hundred eighty-five thousand, forty-five".