51690482 has 8 divisors (see below), whose sum is σ = 77748096. Its totient is φ = 25774452.

The previous prime is 51690479. The next prime is 51690493. The reversal of 51690482 is 28409615.

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, 34478 + ... + 35945.

It is an arithmetic number, because the mean of its divisors is an integer number (9718512).

Almost surely, 2^51690482 is an apocalyptic number.

51690482 is a deficient number, since it is larger than the sum of its proper divisors (26057614).

51690482 is a wasteful number, since it uses less digits than its factorization.

51690482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70792.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51690482 is about 7189.6093078831. The cubic root of 51690482 is about 372.5090777482.

The spelling of 51690482 in words is "fifty-one million, six hundred ninety thousand, four hundred eighty-two".