51232827 has 16 divisors (see below), whose sum is σ = 71354880. Its totient is φ = 32664672.

The previous prime is 51232817. The next prime is 51232837. The reversal of 51232827 is 72823215.

It is an interprime number because it is at equal distance from previous prime (51232817) and next prime (51232837).

It is not a de Polignac number, because 51232827 - 2²⁴ = 34455611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51232794 and 51232803.

It is not an unprimeable number, because it can be changed into a prime (51232807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2638 + ... + 10460.

It is an arithmetic number, because the mean of its divisors is an integer number (4459680).

Almost surely, 2^51232827 is an apocalyptic number.

51232827 is a deficient number, since it is larger than the sum of its proper divisors (20122053).

51232827 is a wasteful number, since it uses less digits than its factorization.

51232827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922.

The product of its digits is 6720, while the sum is 30.

The square root of 51232827 is about 7157.7110167986. The cubic root of 51232827 is about 371.4064488162.

The spelling of 51232827 in words is "fifty-one million, two hundred thirty-two thousand, eight hundred twenty-seven".