53519895 has 48 divisors (see below), whose sum is σ = 108999072. Its totient is φ = 23950080.

The previous prime is 53519891. The next prime is 53519897. The reversal of 53519895 is 59891535.

53519895 is a `hidden beast` number, since 53 + 519 + 89 + 5 = 666.

It is not a de Polignac number, because 53519895 - 2² = 53519891 is a prime.

It is a super-2 number, since 2×53519895² = 5728758321622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53519895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53519891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2277 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (2270814).

Almost surely, 2^53519895 is an apocalyptic number.

53519895 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53519895 is an abundant number, since it is smaller than the sum of its proper divisors (55479177).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53519895 is a wasteful number, since it uses less digits than its factorization.

53519895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352 (or 8349 counting only the distinct ones).

The product of its digits is 243000, while the sum is 45.

The square root of 53519895 is about 7315.7292869542. The cubic root of 53519895 is about 376.8528039039.

The spelling of 53519895 in words is "fifty-three million, five hundred nineteen thousand, eight hundred ninety-five".