51029027 has 4 divisors (see below), whose sum is σ = 58318896. Its totient is φ = 43739160.

The previous prime is 51028997. The next prime is 51029039. The reversal of 51029027 is 72092015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72092015 = 5 ⋅14418403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51029027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51028987 and 51029005.

It is not an unprimeable number, because it can be changed into a prime (51029047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644924 + ... + 3644937.

It is an arithmetic number, because the mean of its divisors is an integer number (14579724).

Almost surely, 2^51029027 is an apocalyptic number.

51029027 is a deficient number, since it is larger than the sum of its proper divisors (7289869).

51029027 is an equidigital number, since it uses as much as digits as its factorization.

51029027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289868.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51029027 is about 7143.4604359512. The cubic root of 51029027 is about 370.9133195248.

The spelling of 51029027 in words is "fifty-one million, twenty-nine thousand, twenty-seven".