53535078 has 48 divisors (see below), whose sum is σ = 123017856. Its totient is φ = 16796160.

The previous prime is 53535071. The next prime is 53535089. The reversal of 53535078 is 87053535.

53535078 is a `hidden beast` number, since 53 + 535 + 0 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53535071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19350 + ... + 21942.

It is an arithmetic number, because the mean of its divisors is an integer number (2562872).

Almost surely, 2^53535078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53535078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61508928).

53535078 is an abundant number, since it is smaller than the sum of its proper divisors (69482778).

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

53535078 is a wasteful number, since it uses less digits than its factorization.

53535078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 53535078 is about 7316.7669089564. The cubic root of 53535078 is about 376.8884368533. Note that the first 3 decimals are identical.

The spelling of 53535078 in words is "fifty-three million, five hundred thirty-five thousand, seventy-eight".