53006540 has 24 divisors (see below), whose sum is σ = 111549312. Its totient is φ = 21157760.

The previous prime is 53006537. The next prime is 53006549. The reversal of 53006540 is 4560035.

It is not an unprimeable number, because it can be changed into a prime (53006549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7877 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (4647888).

Almost surely, 2^53006540 is an apocalyptic number.

It is an amenable number.

53006540 is an abundant number, since it is smaller than the sum of its proper divisors (58542772).

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

53006540 is a wasteful number, since it uses less digits than its factorization.

53006540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53006540 is about 7280.5590444690. The cubic root of 53006540 is about 375.6440251696.

Adding to 53006540 its reverse (4560035), we get a palindrome (57566575).

The spelling of 53006540 in words is "fifty-three million, six thousand, five hundred forty".