53640060 has 48 divisors (see below), whose sum is σ = 150546816. Its totient is φ = 14270272.

The previous prime is 53640023. The next prime is 53640061. The reversal of 53640060 is 6004635.

It is a self number, because there is not a number n which added to its sum of digits gives 53640060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53640061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34459 + ... + 35981.

It is an arithmetic number, because the mean of its divisors is an integer number (3136392).

Almost surely, 2^53640060 is an apocalyptic number.

It is an amenable number.

53640060 is an abundant number, since it is smaller than the sum of its proper divisors (96906756).

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

53640060 is a wasteful number, since it uses less digits than its factorization.

53640060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 53640060 is about 7323.9374655987. The cubic root of 53640060 is about 377.1346347250.

Adding to 53640060 its reverse (6004635), we get a palindrome (59644695).

The spelling of 53640060 in words is "fifty-three million, six hundred forty thousand, sixty".