53858429 has 4 divisors (see below), whose sum is σ = 53873820. Its totient is φ = 53843040.

The previous prime is 53858417. The next prime is 53858437. The reversal of 53858429 is 92485835.

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 40934404 + 12924025 = 6398^2 + 3595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53858429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53858429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53858449) 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, 377 + ... + 10385.

It is an arithmetic number, because the mean of its divisors is an integer number (13468455).

Almost surely, 2^53858429 is an apocalyptic number.

It is an amenable number.

53858429 is a deficient number, since it is larger than the sum of its proper divisors (15391).

53858429 is a wasteful number, since it uses less digits than its factorization.

53858429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390.

The product of its digits is 345600, while the sum is 44.

The square root of 53858429 is about 7338.8302201373. The cubic root of 53858429 is about 377.6457142545.

The spelling of 53858429 in words is "fifty-three million, eight hundred fifty-eight thousand, four hundred twenty-nine".