51028627 has 4 divisors (see below), whose sum is σ = 54953920. Its totient is φ = 47103336.

The previous prime is 51028609. The next prime is 51028633. The reversal of 51028627 is 72682015.

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

It is a cyclic number.

It is not a de Polignac number, because 51028627 - 2¹⁵ = 50995859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51028027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962627 + ... + 1962652.

It is an arithmetic number, because the mean of its divisors is an integer number (13738480).

Almost surely, 2^51028627 is an apocalyptic number.

51028627 is a deficient number, since it is larger than the sum of its proper divisors (3925293).

51028627 is a wasteful number, since it uses less digits than its factorization.

51028627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925292.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 51028627 is about 7143.4324382610. The cubic root of 51028627 is about 370.9123503658.

The spelling of 51028627 in words is "fifty-one million, twenty-eight thousand, six hundred twenty-seven".