53030778 has 32 divisors (see below), whose sum is σ = 111186432. Its totient is φ = 16830000.

The previous prime is 53030771. The next prime is 53030779. The reversal of 53030778 is 87703035.

It is not an unprimeable number, because it can be changed into a prime (53030771) 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, 33873 + ... + 35403.

It is an arithmetic number, because the mean of its divisors is an integer number (3474576).

Almost surely, 2^53030778 is an apocalyptic number.

53030778 is an abundant number, since it is smaller than the sum of its proper divisors (58155654).

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

53030778 is a wasteful number, since it uses less digits than its factorization.

53030778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 53030778 is about 7282.2234242023. The cubic root of 53030778 is about 375.7012726492.

The spelling of 53030778 in words is "fifty-three million, thirty thousand, seven hundred seventy-eight".