53548540 has 24 divisors (see below), whose sum is σ = 113031072. Its totient is φ = 21309120.

The previous prime is 53548507. The next prime is 53548543. The reversal of 53548540 is 4584535.

It is a super-2 number, since 2×53548540² = 5734892272263200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53548496 and 53548505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53548543) 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, 2856 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (4709628).

Almost surely, 2^53548540 is an apocalyptic number.

It is an amenable number.

53548540 is an abundant number, since it is smaller than the sum of its proper divisors (59482532).

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

53548540 is a wasteful number, since it uses less digits than its factorization.

53548540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13797 (or 13795 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 53548540 is about 7317.6867929695. The cubic root of 53548540 is about 376.9200251571.

The spelling of 53548540 in words is "fifty-three million, five hundred forty-eight thousand, five hundred forty".