53532620 has 24 divisors (see below), whose sum is σ = 113418144. Its totient is φ = 21222656.

The previous prime is 53532617. The next prime is 53532631. The reversal of 53532620 is 2623535.

It is a self number, because there is not a number n which added to its sum of digits gives 53532620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9584 + ... + 14103.

It is an arithmetic number, because the mean of its divisors is an integer number (4725756).

Almost surely, 2^53532620 is an apocalyptic number.

It is an amenable number.

53532620 is an abundant number, since it is smaller than the sum of its proper divisors (59885524).

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

53532620 is a wasteful number, since it uses less digits than its factorization.

53532620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23809 (or 23807 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 53532620 is about 7316.5989366645. The cubic root of 53532620 is about 376.8826686356.

The spelling of 53532620 in words is "fifty-three million, five hundred thirty-two thousand, six hundred twenty".