51626627 has 6 divisors (see below), whose sum is σ = 55903572. Its totient is φ = 47655192.

The previous prime is 51626609. The next prime is 51626639. The reversal of 51626627 is 72662615.

It is not a de Polignac number, because 51626627 - 2¹⁴ = 51610243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51626647) 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 5 ways as a sum of consecutive naturals, for example, 152573 + ... + 152910.

It is an arithmetic number, because the mean of its divisors is an integer number (9317262).

Almost surely, 2^51626627 is an apocalyptic number.

51626627 is a deficient number, since it is larger than the sum of its proper divisors (4276945).

51626627 is a wasteful number, since it uses less digits than its factorization.

51626627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305509 (or 305496 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 51626627 is about 7185.1671518483. The cubic root of 51626627 is about 372.3556235226.

The spelling of 51626627 in words is "fifty-one million, six hundred twenty-six thousand, six hundred twenty-seven".