51520534214 has 8 divisors (see below), whose sum is σ = 77503513608. Its totient is φ = 25686029680.

The previous prime is 51520534193. The next prime is 51520534249. The reversal of 51520534214 is 41243502515.

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

It is a congruent number.

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, 37117847 + ... + 37119234.

It is an arithmetic number, because the mean of its divisors is an integer number (9687939201).

Almost surely, 2^51520534214 is an apocalyptic number.

51520534214 is a deficient number, since it is larger than the sum of its proper divisors (25982979394).

51520534214 is a wasteful number, since it uses less digits than its factorization.

51520534214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74237430.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 51520534214 in words is "fifty-one billion, five hundred twenty million, five hundred thirty-four thousand, two hundred fourteen".