52778372 has 24 divisors (see below), whose sum is σ = 95674656. Its totient is φ = 25458048.

The previous prime is 52778339. The next prime is 52778377. The reversal of 52778372 is 27387725.

It is not an unprimeable number, because it can be changed into a prime (52778377) 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 7 ways as a sum of consecutive naturals, for example, 12428 + ... + 16124.

It is an arithmetic number, because the mean of its divisors is an integer number (3986444).

Almost surely, 2^52778372 is an apocalyptic number.

It is an amenable number.

52778372 is a deficient number, since it is larger than the sum of its proper divisors (42896284).

52778372 is a wasteful number, since it uses less digits than its factorization.

52778372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827 (or 3825 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 52778372 is about 7264.8724696308. The cubic root of 52778372 is about 375.1042601953.

The spelling of 52778372 in words is "fifty-two million, seven hundred seventy-eight thousand, three hundred seventy-two".