51662711 has 8 divisors (see below), whose sum is σ = 55134720. Its totient is φ = 48238848.

The previous prime is 51662707. The next prime is 51662713. The reversal of 51662711 is 11726615.

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

It is a cyclic number.

It is not a de Polignac number, because 51662711 - 2² = 51662707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51662713) 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, 9806 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (6891840).

Almost surely, 2^51662711 is an apocalyptic number.

51662711 is a deficient number, since it is larger than the sum of its proper divisors (3472009).

51662711 is a wasteful number, since it uses less digits than its factorization.

51662711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24073.

The product of its digits is 2520, while the sum is 29.

The square root of 51662711 is about 7187.6777195420. The cubic root of 51662711 is about 372.4423549373.

The spelling of 51662711 in words is "fifty-one million, six hundred sixty-two thousand, seven hundred eleven".