52653878 has 16 divisors (see below), whose sum is σ = 80703216. Its totient is φ = 25758720.

The previous prime is 52653871. The next prime is 52653899. The reversal of 52653878 is 87835625.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52653871) 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, 17750 + ... + 20502.

It is an arithmetic number, because the mean of its divisors is an integer number (5043951).

Almost surely, 2^52653878 is an apocalyptic number.

52653878 is a deficient number, since it is larger than the sum of its proper divisors (28049338).

52653878 is a wasteful number, since it uses less digits than its factorization.

52653878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959.

The product of its digits is 403200, while the sum is 44.

The square root of 52653878 is about 7256.2991944930. The cubic root of 52653878 is about 374.8090951270.

The spelling of 52653878 in words is "fifty-two million, six hundred fifty-three thousand, eight hundred seventy-eight".