53566429 has 4 divisors (see below), whose sum is σ = 61218784. Its totient is φ = 45914076.

The previous prime is 53566423. The next prime is 53566477. The reversal of 53566429 is 92466535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53566429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53566391 and 53566400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53566423) 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, 3826167 + ... + 3826180.

It is an arithmetic number, because the mean of its divisors is an integer number (15304696).

Almost surely, 2^53566429 is an apocalyptic number.

It is an amenable number.

53566429 is a deficient number, since it is larger than the sum of its proper divisors (7652355).

53566429 is an equidigital number, since it uses as much as digits as its factorization.

53566429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652354.

The product of its digits is 194400, while the sum is 40.

The square root of 53566429 is about 7318.9090033966. The cubic root of 53566429 is about 376.9619931337.

The spelling of 53566429 in words is "fifty-three million, five hundred sixty-six thousand, four hundred twenty-nine".