53535860 has 48 divisors (see below), whose sum is σ = 131488896. Its totient is φ = 17926272.

The previous prime is 53535841. The next prime is 53535871. The reversal of 53535860 is 6853535.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 53535860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1574 + ... + 10466.

It is an arithmetic number, because the mean of its divisors is an integer number (2739352).

Almost surely, 2^53535860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53535860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65744448).

53535860 is an abundant number, since it is smaller than the sum of its proper divisors (77953036).

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

53535860 is a wasteful number, since it uses less digits than its factorization.

53535860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8952 (or 8950 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 53535860 is about 7316.8203476647. The cubic root of 53535860 is about 376.8902719450.

The spelling of 53535860 in words is "fifty-three million, five hundred thirty-five thousand, eight hundred sixty".