52778976 has 48 divisors (see below), whose sum is σ = 139590864. Its totient is φ = 17460224.

The previous prime is 52778963. The next prime is 52778977. The reversal of 52778976 is 67987725.

52778976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52778977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11146 + ... + 15158.

It is an arithmetic number, because the mean of its divisors is an integer number (2908143).

Almost surely, 2^52778976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52778976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69795432).

52778976 is an abundant number, since it is smaller than the sum of its proper divisors (86811888).

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

52778976 is a wasteful number, since it uses less digits than its factorization.

52778976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4155 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 52778976 is about 7264.9140394089. The cubic root of 52778976 is about 375.1056910978.

The spelling of 52778976 in words is "fifty-two million, seven hundred seventy-eight thousand, nine hundred seventy-six".