52782715 has 8 divisors (see below), whose sum is σ = 64812528. Its totient is φ = 41244000.

The previous prime is 52782713. The next prime is 52782731. The reversal of 52782715 is 51728725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52782715 - 2¹ = 52782713 is a prime.

It is a super-3 number, since 3×52782715³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52782713) 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, 122536 + ... + 122965.

It is an arithmetic number, because the mean of its divisors is an integer number (8101566).

Almost surely, 2^52782715 is an apocalyptic number.

52782715 is a deficient number, since it is larger than the sum of its proper divisors (12029813).

52782715 is a wasteful number, since it uses less digits than its factorization.

52782715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245549.

The product of its digits is 39200, while the sum is 37.

The square root of 52782715 is about 7265.1713675591. The cubic root of 52782715 is about 375.1145487097.

The spelling of 52782715 in words is "fifty-two million, seven hundred eighty-two thousand, seven hundred fifteen".