53898013 has 4 divisors (see below), whose sum is σ = 58044028. Its totient is φ = 49752000.

The previous prime is 53897989. The next prime is 53898023. The reversal of 53898013 is 31089835.

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 13410244 + 40487769 = 3662^2 + 6363^2 .

It is a cyclic number.

It is not a de Polignac number, because 53898013 - 2⁵ = 53897981 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 (53898023) 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, 2072988 + ... + 2073013.

It is an arithmetic number, because the mean of its divisors is an integer number (14511007).

Almost surely, 2^53898013 is an apocalyptic number.

It is an amenable number.

53898013 is a deficient number, since it is larger than the sum of its proper divisors (4146015).

53898013 is a wasteful number, since it uses less digits than its factorization.

53898013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146014.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 53898013 is about 7341.5266123607. The cubic root of 53898013 is about 377.7382102510.

The spelling of 53898013 in words is "fifty-three million, eight hundred ninety-eight thousand, thirteen".