51420334 has 8 divisors (see below), whose sum is σ = 88149168. Its totient is φ = 22037280.

The previous prime is 51420331. The next prime is 51420337. The reversal of 51420334 is 43302415.

It is an interprime number because it is at equal distance from previous prime (51420331) and next prime (51420337).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51420331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836427 + ... + 1836454.

It is an arithmetic number, because the mean of its divisors is an integer number (11018646).

Almost surely, 2^51420334 is an apocalyptic number.

51420334 is a deficient number, since it is larger than the sum of its proper divisors (36728834).

51420334 is a wasteful number, since it uses less digits than its factorization.

51420334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672890.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51420334 is about 7170.7973057394. The cubic root of 51420334 is about 371.8590005969.

Adding to 51420334 its reverse (43302415), we get a palindrome (94722749).

The spelling of 51420334 in words is "fifty-one million, four hundred twenty thousand, three hundred thirty-four".