53919895 has 8 divisors (see below), whose sum is σ = 64745856. Its totient is φ = 43107936.

The previous prime is 53919883. The next prime is 53919919. The reversal of 53919895 is 59891935.

It is a happy number.

53919895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53919895 - 2⁵ = 53919863 is a prime.

It is a super-2 number, since 2×53919895² = 5814710153622050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (8093232).

Almost surely, 2^53919895 is an apocalyptic number.

53919895 is a deficient number, since it is larger than the sum of its proper divisors (10825961).

53919895 is a wasteful number, since it uses less digits than its factorization.

53919895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001.

The product of its digits is 437400, while the sum is 49.

The square root of 53919895 is about 7343.0167506278. The cubic root of 53919895 is about 377.7893225198.

The spelling of 53919895 in words is "fifty-three million, nine hundred nineteen thousand, eight hundred ninety-five".