53331629 has 16 divisors (see below), whose sum is σ = 59006640. Its totient is φ = 47900160.

The previous prime is 53331599. The next prime is 53331631. The reversal of 53331629 is 92613335.

It can be written as a sum of positive squares in 8 ways, for example, as 22306729 + 31024900 = 4723^2 + 5570^2 .

It is a cyclic number.

It is not a de Polignac number, because 53331629 - 2⁸ = 53331373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53331595 and 53331604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53331679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86129 + ... + 86745.

It is an arithmetic number, because the mean of its divisors is an integer number (3687915).

Almost surely, 2^53331629 is an apocalyptic number.

It is an amenable number.

53331629 is a deficient number, since it is larger than the sum of its proper divisors (5675011).

53331629 is a wasteful number, since it uses less digits than its factorization.

53331629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its digits is 14580, while the sum is 32.

The square root of 53331629 is about 7302.8507447435. The cubic root of 53331629 is about 376.4104019120.

The spelling of 53331629 in words is "fifty-three million, three hundred thirty-one thousand, six hundred twenty-nine".