53826013 has 8 divisors (see below), whose sum is σ = 55814400. Its totient is φ = 51853440.

The previous prime is 53825987. The next prime is 53826077. The reversal of 53826013 is 31062835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53826013 - 2²¹ = 51728861 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 (53826313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^53826013 is an apocalyptic number.

It is an amenable number.

53826013 is a deficient number, since it is larger than the sum of its proper divisors (1988387).

53826013 is a wasteful number, since it uses less digits than its factorization.

53826013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 53826013 is about 7336.6213613625. The cubic root of 53826013 is about 377.5699339757.

Adding to 53826013 its reverse (31062835), we get a palindrome (84888848).

The spelling of 53826013 in words is "fifty-three million, eight hundred twenty-six thousand, thirteen".