51915214 has 8 divisors (see below), whose sum is σ = 83863080. Its totient is φ = 23960856.

The previous prime is 51915211. The next prime is 51915217. The reversal of 51915214 is 41251915.

It is an interprime number because it is at equal distance from previous prime (51915211) and next prime (51915217).

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 (51915211) 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, 998344 + ... + 998395.

It is an arithmetic number, because the mean of its divisors is an integer number (10482885).

Almost surely, 2^51915214 is an apocalyptic number.

51915214 is a deficient number, since it is larger than the sum of its proper divisors (31947866).

51915214 is a wasteful number, since it uses less digits than its factorization.

51915214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996754.

The product of its digits is 1800, while the sum is 28.

The square root of 51915214 is about 7205.2213012509. The cubic root of 51915214 is about 373.0481433449.

The spelling of 51915214 in words is "fifty-one million, nine hundred fifteen thousand, two hundred fourteen".