51002159 has 8 divisors (see below), whose sum is σ = 58156560. Its totient is φ = 44309376.

The previous prime is 51002153. The next prime is 51002167. The reversal of 51002159 is 95120015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51002159 is a prime.

It is a super-2 number, since 2×51002159² = 5202440445322562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115169 + ... + 115610.

It is an arithmetic number, because the mean of its divisors is an integer number (7269570).

Almost surely, 2^51002159 is an apocalyptic number.

51002159 is a deficient number, since it is larger than the sum of its proper divisors (7154401).

51002159 is a wasteful number, since it uses less digits than its factorization.

51002159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230809.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 51002159 is about 7141.5795871782. The cubic root of 51002159 is about 370.8482098592.

The spelling of 51002159 in words is "fifty-one million, two thousand, one hundred fifty-nine".