53878330 has 16 divisors (see below), whose sum is σ = 105797664. Its totient is φ = 19592080.

The previous prime is 53878289. The next prime is 53878333. The reversal of 53878330 is 3387835.

It is a self number, because there is not a number n which added to its sum of digits gives 53878330.

It is not an unprimeable number, because it can be changed into a prime (53878333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244792 + ... + 245011.

It is an arithmetic number, because the mean of its divisors is an integer number (6612354).

Almost surely, 2^53878330 is an apocalyptic number.

53878330 is a deficient number, since it is larger than the sum of its proper divisors (51919334).

53878330 is a wasteful number, since it uses less digits than its factorization.

53878330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489821.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 53878330 is about 7340.1859649467. The cubic root of 53878330 is about 377.6922226161.

The spelling of 53878330 in words is "fifty-three million, eight hundred seventy-eight thousand, three hundred thirty".