53429047 has 4 divisors (see below), whose sum is σ = 61061776. Its totient is φ = 45796320.

The previous prime is 53429029. The next prime is 53429063. The reversal of 53429047 is 74092435.

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

It is a cyclic number.

It is not a de Polignac number, because 53429047 - 2²³ = 45040439 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 (53429347) 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, 3816354 + ... + 3816367.

It is an arithmetic number, because the mean of its divisors is an integer number (15265444).

Almost surely, 2^53429047 is an apocalyptic number.

53429047 is a deficient number, since it is larger than the sum of its proper divisors (7632729).

53429047 is an equidigital number, since it uses as much as digits as its factorization.

53429047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632728.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 53429047 is about 7309.5175627397. The cubic root of 53429047 is about 376.6394520065.

The spelling of 53429047 in words is "fifty-three million, four hundred twenty-nine thousand, forty-seven".