51514665 has 8 divisors (see below), whose sum is σ = 82423488. Its totient is φ = 27474480.

The previous prime is 51514637. The next prime is 51514667. The reversal of 51514665 is 56641515.

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

It is not a de Polignac number, because 51514665 - 2⁵ = 51514633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51514667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717141 + ... + 1717170.

It is an arithmetic number, because the mean of its divisors is an integer number (10302936).

Almost surely, 2^51514665 is an apocalyptic number.

It is an amenable number.

51514665 is a deficient number, since it is larger than the sum of its proper divisors (30908823).

51514665 is a wasteful number, since it uses less digits than its factorization.

51514665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434319.

The product of its digits is 18000, while the sum is 33.

The square root of 51514665 is about 7177.3717334411. The cubic root of 51514665 is about 372.0862544237.

It can be divided in two parts, 5 and 1514665, that added together give a triangular number (1514670 = T₁₇₄₀).

The spelling of 51514665 in words is "fifty-one million, five hundred fourteen thousand, six hundred sixty-five".