52017378 has 16 divisors (see below), whose sum is σ = 118896960. Its totient is φ = 14862096.

The previous prime is 52017377. The next prime is 52017389. The reversal of 52017378 is 87371025.

52017378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52017378² = 5411615227989768, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52017373) 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, 619213 + ... + 619296.

It is an arithmetic number, because the mean of its divisors is an integer number (7431060).

Almost surely, 2^52017378 is an apocalyptic number.

52017378 is an abundant number, since it is smaller than the sum of its proper divisors (66879582).

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

52017378 is a wasteful number, since it uses less digits than its factorization.

52017378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238521.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 52017378 is about 7212.3073977750. The cubic root of 52017378 is about 373.2926902680.

The spelling of 52017378 in words is "fifty-two million, seventeen thousand, three hundred seventy-eight".