52214878 has 4 divisors (see below), whose sum is σ = 78322320. Its totient is φ = 26107438.

The previous prime is 52214849. The next prime is 52214893. The reversal of 52214878 is 87841225.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13053718 + ... + 13053721.

It is an arithmetic number, because the mean of its divisors is an integer number (19580580).

Almost surely, 2^52214878 is an apocalyptic number.

52214878 is a deficient number, since it is larger than the sum of its proper divisors (26107442).

52214878 is a wasteful number, since it uses less digits than its factorization.

52214878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26107441.

The product of its digits is 35840, while the sum is 37.

The square root of 52214878 is about 7225.9862994611. The cubic root of 52214878 is about 373.7645338360.

It can be divided in two parts, 522 and 14878, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 52214878 in words is "fifty-two million, two hundred fourteen thousand, eight hundred seventy-eight".