51902629 has 2 divisors, whose sum is σ = 51902630. Its totient is φ = 51902628.

The previous prime is 51902611. The next prime is 51902647. The reversal of 51902629 is 92620915.

It is a balanced prime because it is at equal distance from previous prime (51902611) and next prime (51902647).

It can be written as a sum of positive squares in only one way, i.e., 38725729 + 13176900 = 6223^2 + 3630^2 .

It is a cyclic number.

It is not a de Polignac number, because 51902629 - 2¹⁵ = 51869861 is a prime.

It is a super-2 number, since 2×51902629² = 5387765794223282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51902594 and 51902603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51902729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25951314 + 25951315.

It is an arithmetic number, because the mean of its divisors is an integer number (25951315).

Almost surely, 2^51902629 is an apocalyptic number.

It is an amenable number.

51902629 is a deficient number, since it is larger than the sum of its proper divisors (1).

51902629 is an equidigital number, since it uses as much as digits as its factorization.

51902629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 51902629 is about 7204.3479233030. The cubic root of 51902629 is about 373.0179968173.

The spelling of 51902629 in words is "fifty-one million, nine hundred two thousand, six hundred twenty-nine".