52861278 has 16 divisors (see below), whose sum is σ = 105912720. Its totient is φ = 17588736.

The previous prime is 52861273. The next prime is 52861297. The reversal of 52861278 is 87216825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52861273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4173 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (6619545).

Almost surely, 2^52861278 is an apocalyptic number.

52861278 is an abundant number, since it is smaller than the sum of its proper divisors (53051442).

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

52861278 is a wasteful number, since it uses less digits than its factorization.

52861278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851.

The product of its digits is 53760, while the sum is 39.

The square root of 52861278 is about 7270.5761807439. The cubic root of 52861278 is about 375.3005661401.

The spelling of 52861278 in words is "fifty-two million, eight hundred sixty-one thousand, two hundred seventy-eight".