53878395 has 32 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 26866944.

The previous prime is 53878393. The next prime is 53878411. The reversal of 53878395 is 59387835.

It is a happy number.

It is not a de Polignac number, because 53878395 - 2¹ = 53878393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53878393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21319 + ... + 23711.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^53878395 is an apocalyptic number.

53878395 is a deficient number, since it is larger than the sum of its proper divisors (38051205).

53878395 is a wasteful number, since it uses less digits than its factorization.

53878395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its digits is 907200, while the sum is 48.

The square root of 53878395 is about 7340.1903926261. The cubic root of 53878395 is about 377.6923745014.

The spelling of 53878395 in words is "fifty-three million, eight hundred seventy-eight thousand, three hundred ninety-five".