52778342 has 8 divisors (see below), whose sum is σ = 79321032. Its totient is φ = 26338000.

The previous prime is 52778339. The next prime is 52778377. The reversal of 52778342 is 24387725.

52778342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 52778296 and 52778305.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24284 + ... + 26367.

It is an arithmetic number, because the mean of its divisors is an integer number (9915129).

Almost surely, 2^52778342 is an apocalyptic number.

52778342 is a deficient number, since it is larger than the sum of its proper divisors (26542690).

52778342 is a wasteful number, since it uses less digits than its factorization.

52778342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51174.

The product of its digits is 94080, while the sum is 38.

The square root of 52778342 is about 7264.8704049006. The cubic root of 52778342 is about 375.1041891237.

The spelling of 52778342 in words is "fifty-two million, seven hundred seventy-eight thousand, three hundred forty-two".