52750665 has 48 divisors (see below), whose sum is σ = 101439936. Its totient is φ = 25142400.

The previous prime is 52750627. The next prime is 52750667. The reversal of 52750665 is 56605725.

It is not a de Polignac number, because 52750665 - 2⁸ = 52750409 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52750667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29322 + ... + 31068.

It is an arithmetic number, because the mean of its divisors is an integer number (2113332).

Almost surely, 2^52750665 is an apocalyptic number.

52750665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52750665 is a deficient number, since it is larger than the sum of its proper divisors (48689271).

52750665 is a wasteful number, since it uses less digits than its factorization.

52750665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 52750665 is about 7262.9653035107. The cubic root of 52750665 is about 375.0386093580.

The spelling of 52750665 in words is "fifty-two million, seven hundred fifty thousand, six hundred sixty-five".