53919807 has 8 divisors (see below), whose sum is σ = 73565184. Its totient is φ = 35110488.

The previous prime is 53919799. The next prime is 53919809. The reversal of 53919807 is 70891935.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53919807 - 2³ = 53919799 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53919809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208863 + ... + 209120.

It is an arithmetic number, because the mean of its divisors is an integer number (9195648).

Almost surely, 2^53919807 is an apocalyptic number.

53919807 is a deficient number, since it is larger than the sum of its proper divisors (19645377).

53919807 is a wasteful number, since it uses less digits than its factorization.

53919807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418029.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 53919807 is about 7343.0107585377. The cubic root of 53919807 is about 377.7891169959.

The spelling of 53919807 in words is "fifty-three million, nine hundred nineteen thousand, eight hundred seven".