53334381 has 4 divisors (see below), whose sum is σ = 71112512. Its totient is φ = 35556252.

The previous prime is 53334373. The next prime is 53334409. The reversal of 53334381 is 18343335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53334381 - 2³ = 53334373 is a prime.

It is a super-2 number, since 2×53334381² = 5689112393306322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53334301) 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, 8889061 + ... + 8889066.

It is an arithmetic number, because the mean of its divisors is an integer number (17778128).

Almost surely, 2^53334381 is an apocalyptic number.

It is an amenable number.

53334381 is a deficient number, since it is larger than the sum of its proper divisors (17778131).

53334381 is a wasteful number, since it uses less digits than its factorization.

53334381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778130.

The product of its digits is 12960, while the sum is 30.

The square root of 53334381 is about 7303.0391618832. The cubic root of 53334381 is about 376.4168762665.

The spelling of 53334381 in words is "fifty-three million, three hundred thirty-four thousand, three hundred eighty-one".