53535816 has 48 divisors (see below), whose sum is σ = 150368400. Its totient is φ = 17844624.

The previous prime is 53535809. The next prime is 53535829. The reversal of 53535816 is 61853535.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11826 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (3132675).

Almost surely, 2^53535816 is an apocalyptic number.

It is an amenable number.

53535816 is an abundant number, since it is smaller than the sum of its proper divisors (96832584).

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

53535816 is a wasteful number, since it uses less digits than its factorization.

53535816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27560 (or 27544 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 53535816 is about 7316.8173408935. The cubic root of 53535816 is about 376.8901686922.

The spelling of 53535816 in words is "fifty-three million, five hundred thirty-five thousand, eight hundred sixteen".