53314729 has 4 divisors (see below), whose sum is σ = 57415876. Its totient is φ = 49213584.

The previous prime is 53314721. The next prime is 53314787. The reversal of 53314729 is 92741335.

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 5040025 + 48274704 = 2245^2 + 6948^2 .

It is a cyclic number.

It is not a de Polignac number, because 53314729 - 2³ = 53314721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53314694 and 53314703.

It is not an unprimeable number, because it can be changed into a prime (53314721) 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, 2050554 + ... + 2050579.

It is an arithmetic number, because the mean of its divisors is an integer number (14353969).

Almost surely, 2^53314729 is an apocalyptic number.

It is an amenable number.

53314729 is a deficient number, since it is larger than the sum of its proper divisors (4101147).

53314729 is a wasteful number, since it uses less digits than its factorization.

53314729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101146.

The product of its digits is 22680, while the sum is 34.

The square root of 53314729 is about 7301.6935706725. The cubic root of 53314729 is about 376.3706380923.

It can be divided in two parts, 5331472 and 9, that added together give a square (5331481 = 2309²).

The spelling of 53314729 in words is "fifty-three million, three hundred fourteen thousand, seven hundred twenty-nine".