53996919 has 4 divisors (see below), whose sum is σ = 71995896. Its totient is φ = 35997944.

The previous prime is 53996911. The next prime is 53996953. The reversal of 53996919 is 91969935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53996919 - 2³ = 53996911 is a prime.

It is a super-2 number, since 2×53996919² = 5831334522985122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53996911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8999484 + ... + 8999489.

It is an arithmetic number, because the mean of its divisors is an integer number (17998974).

Almost surely, 2^53996919 is an apocalyptic number.

53996919 is a deficient number, since it is larger than the sum of its proper divisors (17998977).

53996919 is a wasteful number, since it uses less digits than its factorization.

53996919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998976.

The product of its digits is 590490, while the sum is 51.

The square root of 53996919 is about 7348.2595898621. The cubic root of 53996919 is about 377.9691262822.

The spelling of 53996919 in words is "fifty-three million, nine hundred ninety-six thousand, nine hundred nineteen".