51761902 has 8 divisors (see below), whose sum is σ = 77985576. Its totient is φ = 25766712.

The previous prime is 51761893. The next prime is 51761917. The reversal of 51761902 is 20916715.

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

It is a congruent number.

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, 56553 + ... + 57460.

It is an arithmetic number, because the mean of its divisors is an integer number (9748197).

Almost surely, 2^51761902 is an apocalyptic number.

51761902 is a deficient number, since it is larger than the sum of its proper divisors (26223674).

51761902 is a wasteful number, since it uses less digits than its factorization.

51761902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114242.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 51761902 is about 7194.5744835953. The cubic root of 51761902 is about 372.6805622823.

The spelling of 51761902 in words is "fifty-one million, seven hundred sixty-one thousand, nine hundred two".