53689524 has 48 divisors (see below), whose sum is σ = 143678976. Its totient is φ = 15285600.

The previous prime is 53689523. The next prime is 53689549. The reversal of 53689524 is 42598635.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53689523) 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, 26839 + ... + 28769.

It is an arithmetic number, because the mean of its divisors is an integer number (2993312).

Almost surely, 2^53689524 is an apocalyptic number.

It is an amenable number.

53689524 is an abundant number, since it is smaller than the sum of its proper divisors (89989452).

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

53689524 is a wasteful number, since it uses less digits than its factorization.

53689524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2274 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 53689524 is about 7327.3135595524. The cubic root of 53689524 is about 377.2505235863.

The spelling of 53689524 in words is "fifty-three million, six hundred eighty-nine thousand, five hundred twenty-four".