51516334 has 8 divisors (see below), whose sum is σ = 81341640. Its totient is φ = 24402456.

The previous prime is 51516331. The next prime is 51516349. The reversal of 51516334 is 43361515.

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 (51516331) 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, 677809 + ... + 677884.

It is an arithmetic number, because the mean of its divisors is an integer number (10167705).

Almost surely, 2^51516334 is an apocalyptic number.

51516334 is a deficient number, since it is larger than the sum of its proper divisors (29825306).

51516334 is a wasteful number, since it uses less digits than its factorization.

51516334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355714.

The product of its digits is 5400, while the sum is 28.

The square root of 51516334 is about 7177.4880006866. The cubic root of 51516334 is about 372.0902727309.

Adding to 51516334 its reverse (43361515), we get a palindrome (94877849).

The spelling of 51516334 in words is "fifty-one million, five hundred sixteen thousand, three hundred thirty-four".