51370969 has 8 divisors (see below), whose sum is σ = 55379520. Its totient is φ = 47370576.

The previous prime is 51370933. The next prime is 51370981. The reversal of 51370969 is 96907315.

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

It is a cyclic number.

It is not a de Polignac number, because 51370969 - 2¹¹ = 51368921 is a prime.

It is a super-3 number, since 3×51370969³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51370169) 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, 19662 + ... + 22120.

It is an arithmetic number, because the mean of its divisors is an integer number (6922440).

Almost surely, 2^51370969 is an apocalyptic number.

It is an amenable number.

51370969 is a deficient number, since it is larger than the sum of its proper divisors (4008551).

51370969 is a wasteful number, since it uses less digits than its factorization.

51370969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 51370969 is about 7167.3543933588. The cubic root of 51370969 is about 371.7399640496.

The spelling of 51370969 in words is "fifty-one million, three hundred seventy thousand, nine hundred sixty-nine".