52717665 has 64 divisors (see below), whose sum is σ = 113283072. Its totient is φ = 20217600.

The previous prime is 52717649. The next prime is 52717667. The reversal of 52717665 is 56671725.

It is not a de Polignac number, because 52717665 - 2⁴ = 52717649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (52717667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13260 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (1770048).

Almost surely, 2^52717665 is an apocalyptic number.

52717665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52717665 is an abundant number, since it is smaller than the sum of its proper divisors (60565407).

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

52717665 is a wasteful number, since it uses less digits than its factorization.

52717665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550.

The product of its digits is 88200, while the sum is 39.

The square root of 52717665 is about 7260.6931487290. The cubic root of 52717665 is about 374.9603869267.

It can be divided in two parts, 52 and 717665, that added together give a palindrome (717717).

The spelling of 52717665 in words is "fifty-two million, seven hundred seventeen thousand, six hundred sixty-five".