53549040 has 80 divisors (see below), whose sum is σ = 166739328. Its totient is φ = 14216448.

The previous prime is 53549029. The next prime is 53549063. The reversal of 53549040 is 4094535.

53549040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 53548989 and 53549007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82959 + ... + 83601.

Almost surely, 2^53549040 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 53549040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83369664).

53549040 is an abundant number, since it is smaller than the sum of its proper divisors (113190288).

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

53549040 is a wasteful number, since it uses less digits than its factorization.

53549040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 53549040 is about 7317.7209566914. The cubic root of 53549040 is about 376.9211982948.

The spelling of 53549040 in words is "fifty-three million, five hundred forty-nine thousand, forty".