52956978 has 8 divisors (see below), whose sum is σ = 105913968. Its totient is φ = 17652324.

The previous prime is 52956977. The next prime is 52957007. The reversal of 52956978 is 87965925.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

52956978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 52956978.

It is not an unprimeable number, because it can be changed into a prime (52956973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4413076 + ... + 4413087.

It is an arithmetic number, because the mean of its divisors is an integer number (13239246).

Almost surely, 2^52956978 is an apocalyptic number.

52956978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52956978 is a wasteful number, since it uses less digits than its factorization.

52956978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826168.

The product of its digits is 1360800, while the sum is 51.

The square root of 52956978 is about 7277.1545263241. The cubic root of 52956978 is about 375.5269108487.

The spelling of 52956978 in words is "fifty-two million, nine hundred fifty-six thousand, nine hundred seventy-eight".