53863040 has 128 divisors (see below), whose sum is σ = 160686720. Its totient is φ = 16773120.

The previous prime is 53863037. The next prime is 53863087. The reversal of 53863040 is 4036835.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53862994 and 53863012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48734 + ... + 49826.

It is an arithmetic number, because the mean of its divisors is an integer number (1255365).

Almost surely, 2^53863040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80343360).

53863040 is an abundant number, since it is smaller than the sum of its proper divisors (106823680).

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

53863040 is a wasteful number, since it uses less digits than its factorization.

53863040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 53863040 is about 7339.1443642975. The cubic root of 53863040 is about 377.6564911173.

Adding to 53863040 its reverse (4036835), we get a palindrome (57899875).

The spelling of 53863040 in words is "fifty-three million, eight hundred sixty-three thousand, forty".