51302402 has 8 divisors (see below), whose sum is σ = 77002896. Its totient is φ = 25634772.

The previous prime is 51302389. The next prime is 51302411. The reversal of 51302402 is 20420315.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848 + ... + 10835.

It is an arithmetic number, because the mean of its divisors is an integer number (9625362).

Almost surely, 2^51302402 is an apocalyptic number.

51302402 is a deficient number, since it is larger than the sum of its proper divisors (25700494).

51302402 is a wasteful number, since it uses less digits than its factorization.

51302402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16432.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 51302402 is about 7162.5695110065. The cubic root of 51302402 is about 371.5744980709.

Adding to 51302402 its reverse (20420315), we get a palindrome (71722717).

The spelling of 51302402 in words is "fifty-one million, three hundred two thousand, four hundred two".