53202078 has 72 divisors (see below), whose sum is σ = 126427392. Its totient is φ = 16111872.

The previous prime is 53202067. The next prime is 53202091. The reversal of 53202078 is 87020235.

It is a super-2 number, since 2×53202078² = 5660922207036168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 418851 + ... + 418977.

It is an arithmetic number, because the mean of its divisors is an integer number (1755936).

Almost surely, 2^53202078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53202078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63213696).

53202078 is an abundant number, since it is smaller than the sum of its proper divisors (73225314).

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

53202078 is a wasteful number, since it uses less digits than its factorization.

53202078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 53202078 is about 7293.9754592403. The cubic root of 53202078 is about 376.1053678968.

The spelling of 53202078 in words is "fifty-three million, two hundred two thousand, seventy-eight".