53769629 has 4 divisors (see below), whose sum is σ = 53785980. Its totient is φ = 53753280.

The previous prime is 53769619. The next prime is 53769671. The reversal of 53769629 is 92696735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7896100 + 45873529 = 2810^2 + 6773^2 .

It is a cyclic number.

It is not a de Polignac number, because 53769629 - 2¹² = 53765533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53769619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (13446495).

Almost surely, 2^53769629 is an apocalyptic number.

It is an amenable number.

53769629 is a deficient number, since it is larger than the sum of its proper divisors (16351).

53769629 is a wasteful number, since it uses less digits than its factorization.

53769629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16350.

The product of its digits is 612360, while the sum is 47.

The square root of 53769629 is about 7332.7777137999. Note that the first 4 decimals coincide. The cubic root of 53769629 is about 377.4380501532.

The spelling of 53769629 in words is "fifty-three million, seven hundred sixty-nine thousand, six hundred twenty-nine".