53858013 has 32 divisors (see below), whose sum is σ = 80701440. Its totient is φ = 31674240.

The previous prime is 53858009. The next prime is 53858041. The reversal of 53858013 is 31085835.

It is not a de Polignac number, because 53858013 - 2² = 53858009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53858053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190170 + ... + 190452.

It is an arithmetic number, because the mean of its divisors is an integer number (2521920).

Almost surely, 2^53858013 is an apocalyptic number.

It is an amenable number.

53858013 is a deficient number, since it is larger than the sum of its proper divisors (26843427).

53858013 is a wasteful number, since it uses less digits than its factorization.

53858013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 53858013 is about 7338.8018776909. The cubic root of 53858013 is about 377.6447419460.

The spelling of 53858013 in words is "fifty-three million, eight hundred fifty-eight thousand, thirteen".