52860278 has 4 divisors (see below), whose sum is σ = 79290420. Its totient is φ = 26430138.

The previous prime is 52860277. The next prime is 52860317. The reversal of 52860278 is 87206825.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52860271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13215068 + ... + 13215071.

It is an arithmetic number, because the mean of its divisors is an integer number (19822605).

Almost surely, 2^52860278 is an apocalyptic number.

52860278 is a deficient number, since it is larger than the sum of its proper divisors (26430142).

52860278 is a wasteful number, since it uses less digits than its factorization.

52860278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26430141.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 52860278 is about 7270.5074100781. The cubic root of 52860278 is about 375.2981995500.

It can be divided in two parts, 528 and 60278, that added together give a palindrome (60806).

The spelling of 52860278 in words is "fifty-two million, eight hundred sixty thousand, two hundred seventy-eight".