53641540 has 24 divisors (see below), whose sum is σ = 114331392. Its totient is φ = 21135840.

The previous prime is 53641537. The next prime is 53641547. The reversal of 53641540 is 4514635.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53641499 and 53641508.

It is not an unprimeable number, because it can be changed into a prime (53641547) 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, 18676 + ... + 21355.

It is an arithmetic number, because the mean of its divisors is an integer number (4763808).

Almost surely, 2^53641540 is an apocalyptic number.

It is an amenable number.

53641540 is an abundant number, since it is smaller than the sum of its proper divisors (60689852).

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

53641540 is a wasteful number, since it uses less digits than its factorization.

53641540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40107 (or 40105 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53641540 is about 7324.0385034488. The cubic root of 53641540 is about 377.1381032404.

The spelling of 53641540 in words is "fifty-three million, six hundred forty-one thousand, five hundred forty".