53878818 has 32 divisors (see below), whose sum is σ = 124845696. Its totient is φ = 15182208.

The previous prime is 53878801. The next prime is 53878819. The reversal of 53878818 is 81887835.

It is not an unprimeable number, because it can be changed into a prime (53878819) 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, 5721 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (3901428).

Almost surely, 2^53878818 is an apocalyptic number.

53878818 is an abundant number, since it is smaller than the sum of its proper divisors (70966878).

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

53878818 is a wasteful number, since it uses less digits than its factorization.

53878818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658.

The product of its digits is 430080, while the sum is 48.

The square root of 53878818 is about 7340.2192065360. The cubic root of 53878818 is about 377.6933629215.

The spelling of 53878818 in words is "fifty-three million, eight hundred seventy-eight thousand, eight hundred eighteen".