53605530 has 64 divisors (see below), whose sum is σ = 155952000. Its totient is φ = 12994560.

The previous prime is 53605511. The next prime is 53605547. The reversal of 53605530 is 3550635.

It is a happy number.

53605530 is a `hidden beast` number, since 5 + 3 + 605 + 53 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53605494 and 53605503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6055 + ... + 11994.

It is an arithmetic number, because the mean of its divisors is an integer number (2436750).

Almost surely, 2^53605530 is an apocalyptic number.

53605530 is an abundant number, since it is smaller than the sum of its proper divisors (102346470).

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

53605530 is a wasteful number, since it uses less digits than its factorization.

53605530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18076 (or 18070 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 53605530 is about 7321.5797475681. The cubic root of 53605530 is about 377.0536923952.

The spelling of 53605530 in words is "fifty-three million, six hundred five thousand, five hundred thirty".