51761396 has 24 divisors (see below), whose sum is σ = 100961280. Its totient is φ = 23075712.

The previous prime is 51761383. The next prime is 51761401. The reversal of 51761396 is 69316715.

51761396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18740 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (4206720).

Almost surely, 2^51761396 is an apocalyptic number.

It is an amenable number.

51761396 is a deficient number, since it is larger than the sum of its proper divisors (49199884).

51761396 is a wasteful number, since it uses less digits than its factorization.

51761396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40103 (or 40101 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 51761396 is about 7194.5393181218. The cubic root of 51761396 is about 372.6793478951.

The spelling of 51761396 in words is "fifty-one million, seven hundred sixty-one thousand, three hundred ninety-six".