51914530 has 8 divisors (see below), whose sum is σ = 93446172. Its totient is φ = 20765808.

The previous prime is 51914483. The next prime is 51914531. The reversal of 51914530 is 3541915.

It can be written as a sum of positive squares in 2 ways, for example, as 47789569 + 4124961 = 6913^2 + 2031^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51914531) 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, 2595717 + ... + 2595736.

Almost surely, 2^51914530 is an apocalyptic number.

51914530 is a deficient number, since it is larger than the sum of its proper divisors (41531642).

51914530 is a wasteful number, since it uses less digits than its factorization.

51914530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191460.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 51914530 is about 7205.1738355157. The cubic root of 51914530 is about 373.0465049937.

The spelling of 51914530 in words is "fifty-one million, nine hundred fourteen thousand, five hundred thirty".