51292027 has 4 divisors (see below), whose sum is σ = 52678336. Its totient is φ = 49905720.

The previous prime is 51291997. The next prime is 51292061. The reversal of 51292027 is 72029215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51292027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51291986 and 51292004.

It is not an unprimeable number, because it can be changed into a prime (51292067) 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, 693099 + ... + 693172.

It is an arithmetic number, because the mean of its divisors is an integer number (13169584).

Almost surely, 2^51292027 is an apocalyptic number.

51292027 is a deficient number, since it is larger than the sum of its proper divisors (1386309).

51292027 is a wasteful number, since it uses less digits than its factorization.

51292027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386308.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 51292027 is about 7161.8452231251. The cubic root of 51292027 is about 371.5494482670.

The spelling of 51292027 in words is "fifty-one million, two hundred ninety-two thousand, twenty-seven".