52779265 has 16 divisors (see below), whose sum is σ = 78963840. Its totient is φ = 32901120.

The previous prime is 52779263. The next prime is 52779269. The reversal of 52779265 is 56297725.

It is not a de Polignac number, because 52779265 - 2¹ = 52779263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52779263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68160 + ... + 68929.

It is an arithmetic number, because the mean of its divisors is an integer number (4935240).

Almost surely, 2^52779265 is an apocalyptic number.

52779265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52779265 is a deficient number, since it is larger than the sum of its proper divisors (26184575).

52779265 is a wasteful number, since it uses less digits than its factorization.

52779265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137112.

The product of its digits is 264600, while the sum is 43.

The square root of 52779265 is about 7264.9339295000. The cubic root of 52779265 is about 375.1063757476.

The spelling of 52779265 in words is "fifty-two million, seven hundred seventy-nine thousand, two hundred sixty-five".