53484540 has 24 divisors (see below), whose sum is σ = 149756880. Its totient is φ = 14262528.

The previous prime is 53484523. The next prime is 53484547. The reversal of 53484540 is 4548435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53484547) 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, 445645 + ... + 445764.

It is an arithmetic number, because the mean of its divisors is an integer number (6239870).

Almost surely, 2^53484540 is an apocalyptic number.

It is an amenable number.

53484540 is an abundant number, since it is smaller than the sum of its proper divisors (96272340).

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

53484540 is a wasteful number, since it uses less digits than its factorization.

53484540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891421 (or 891419 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 53484540 is about 7313.3125189616. The cubic root of 53484540 is about 376.7698032066.

The spelling of 53484540 in words is "fifty-three million, four hundred eighty-four thousand, five hundred forty".