53806240 has 48 divisors (see below), whose sum is σ = 127558368. Its totient is φ = 21447936.

The previous prime is 53806229. The next prime is 53806243. The reversal of 53806240 is 4260835.

It is a super-2 number, since 2×53806240² = 5790222925875200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53806199 and 53806208.

It is not an unprimeable number, because it can be changed into a prime (53806243) 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, 83359 + ... + 84001.

It is an arithmetic number, because the mean of its divisors is an integer number (2657466).

Almost surely, 2^53806240 is an apocalyptic number.

It is an amenable number.

53806240 is an abundant number, since it is smaller than the sum of its proper divisors (73752128).

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

53806240 is a wasteful number, since it uses less digits than its factorization.

53806240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53806240 is about 7335.2736826924. The cubic root of 53806240 is about 377.5236948418.

The spelling of 53806240 in words is "fifty-three million, eight hundred six thousand, two hundred forty".