53705388 has 24 divisors (see below), whose sum is σ = 136704960. Its totient is φ = 16274320.

The previous prime is 53705387. The next prime is 53705413. The reversal of 53705388 is 88350735.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (53705387) 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, 203298 + ... + 203561.

It is an arithmetic number, because the mean of its divisors is an integer number (5696040).

Almost surely, 2^53705388 is an apocalyptic number.

It is an amenable number.

53705388 is an abundant number, since it is smaller than the sum of its proper divisors (82999572).

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

53705388 is a wasteful number, since it uses less digits than its factorization.

53705388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406877 (or 406875 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 53705388 is about 7328.3960045838. The cubic root of 53705388 is about 377.2876761660.

The spelling of 53705388 in words is "fifty-three million, seven hundred five thousand, three hundred eighty-eight".