51532727 has 8 divisors (see below), whose sum is σ = 53299200. Its totient is φ = 49794264.

The previous prime is 51532717. The next prime is 51532781. The reversal of 51532727 is 72723515.

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 51532727 - 2⁴ = 51532711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51532693 and 51532702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51532717) 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, 3227 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (6662400).

Almost surely, 2^51532727 is an apocalyptic number.

51532727 is a deficient number, since it is larger than the sum of its proper divisors (1766473).

51532727 is a wasteful number, since it uses less digits than its factorization.

51532727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005.

The product of its digits is 14700, while the sum is 32.

The square root of 51532727 is about 7178.6298832019. The cubic root of 51532727 is about 372.1297361301.

The spelling of 51532727 in words is "fifty-one million, five hundred thirty-two thousand, seven hundred twenty-seven".