53395788 has 24 divisors (see below), whose sum is σ = 130007808. Its totient is φ = 17024656.

The previous prime is 53395781. The next prime is 53395799. The reversal of 53395788 is 88759335.

It is a happy number.

It is a super-2 number, since 2×53395788² = 5702220352281888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53395781) 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, 96456 + ... + 97007.

It is an arithmetic number, because the mean of its divisors is an integer number (5416992).

Almost surely, 2^53395788 is an apocalyptic number.

It is an amenable number.

53395788 is an abundant number, since it is smaller than the sum of its proper divisors (76612020).

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

53395788 is a wasteful number, since it uses less digits than its factorization.

53395788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193493 (or 193491 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 53395788 is about 7307.2421610345. The cubic root of 53395788 is about 376.5612844655.

The spelling of 53395788 in words is "fifty-three million, three hundred ninety-five thousand, seven hundred eighty-eight".