51732651 has 8 divisors (see below), whose sum is σ = 69440400. Its totient is φ = 34256672.

The previous prime is 51732647. The next prime is 51732661. The reversal of 51732651 is 15623715.

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 51732651 - 2² = 51732647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51732631) 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, 57420 + ... + 58313.

It is an arithmetic number, because the mean of its divisors is an integer number (8680050).

Almost surely, 2^51732651 is an apocalyptic number.

51732651 is a deficient number, since it is larger than the sum of its proper divisors (17707749).

51732651 is a wasteful number, since it uses less digits than its factorization.

51732651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115885.

The product of its digits is 6300, while the sum is 30.

The square root of 51732651 is about 7192.5413450324. The cubic root of 51732651 is about 372.6103476211.

The spelling of 51732651 in words is "fifty-one million, seven hundred thirty-two thousand, six hundred fifty-one".