51790284 has 72 divisors (see below), whose sum is σ = 161135520. Its totient is φ = 13658112.

The previous prime is 51790283. The next prime is 51790307. The reversal of 51790284 is 48209715.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51790283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4629 + ... + 11180.

Almost surely, 2^51790284 is an apocalyptic number.

It is an amenable number.

51790284 is an abundant number, since it is smaller than the sum of its proper divisors (109345236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51790284 is a wasteful number, since it uses less digits than its factorization.

51790284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15839 (or 15834 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 51790284 is about 7196.5466718420. The cubic root of 51790284 is about 372.7486656984.

Adding to 51790284 its reverse (48209715), we get a palindrome (99999999).

The spelling of 51790284 in words is "fifty-one million, seven hundred ninety thousand, two hundred eighty-four".