52278172 has 12 divisors (see below), whose sum is σ = 95464656. Its totient is φ = 25002560.

The previous prime is 52278133. The next prime is 52278217. The reversal of 52278172 is 27187225.

It is a super-3 number, since 3×52278172³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284029 + ... + 284212.

It is an arithmetic number, because the mean of its divisors is an integer number (7955388).

Almost surely, 2^52278172 is an apocalyptic number.

It is an amenable number.

52278172 is a deficient number, since it is larger than the sum of its proper divisors (43186484).

52278172 is a wasteful number, since it uses less digits than its factorization.

52278172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568268 (or 568266 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 52278172 is about 7230.3645827856. The cubic root of 52278172 is about 373.9154965555.

The spelling of 52278172 in words is "fifty-two million, two hundred seventy-eight thousand, one hundred seventy-two".