52170278 has 8 divisors (see below), whose sum is σ = 79581960. Its totient is φ = 25642960.

The previous prime is 52170277. The next prime is 52170281. The reversal of 52170278 is 87207125.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170271) 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, 220943 + ... + 221178.

It is an arithmetic number, because the mean of its divisors is an integer number (9947745).

Almost surely, 2^52170278 is an apocalyptic number.

52170278 is a deficient number, since it is larger than the sum of its proper divisors (27411682).

52170278 is a wasteful number, since it uses less digits than its factorization.

52170278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442182.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 52170278 is about 7222.8995562724. The cubic root of 52170278 is about 373.6580849504.

The spelling of 52170278 in words is "fifty-two million, one hundred seventy thousand, two hundred seventy-eight".