51626837 has 4 divisors (see below), whose sum is σ = 51854496. Its totient is φ = 51399180.

The previous prime is 51626797. The next prime is 51626849. The reversal of 51626837 is 73862615.

51626837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51626837 - 2¹⁰ = 51625813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51626837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51626867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113489 + ... + 113942.

It is an arithmetic number, because the mean of its divisors is an integer number (12963624).

Almost surely, 2^51626837 is an apocalyptic number.

It is an amenable number.

51626837 is a deficient number, since it is larger than the sum of its proper divisors (227659).

51626837 is a wasteful number, since it uses less digits than its factorization.

51626837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227658.

The product of its digits is 60480, while the sum is 38.

The square root of 51626837 is about 7185.1817652722. The cubic root of 51626837 is about 372.3561283949.

The spelling of 51626837 in words is "fifty-one million, six hundred twenty-six thousand, eight hundred thirty-seven".