53878355 has 16 divisors (see below), whose sum is σ = 70053984. Its totient is φ = 39621120.

The previous prime is 53878337. The next prime is 53878367. The reversal of 53878355 is 55387835.

It is not a de Polignac number, because 53878355 - 2¹⁶ = 53812819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3716 + ... + 11025.

It is an arithmetic number, because the mean of its divisors is an integer number (4378374).

Almost surely, 2^53878355 is an apocalyptic number.

53878355 is a deficient number, since it is larger than the sum of its proper divisors (16175629).

53878355 is a wasteful number, since it uses less digits than its factorization.

53878355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14806.

The product of its digits is 504000, while the sum is 44.

The square root of 53878355 is about 7340.1876679006. The cubic root of 53878355 is about 377.6922810335.

The spelling of 53878355 in words is "fifty-three million, eight hundred seventy-eight thousand, three hundred fifty-five".