52257707 has 4 divisors (see below), whose sum is σ = 52973640. Its totient is φ = 51541776.

The previous prime is 52257697. The next prime is 52257719. The reversal of 52257707 is 70775225.

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

It is a cyclic number.

It is not a de Polignac number, because 52257707 - 2⁸ = 52257451 is a prime.

It is a super-3 number, since 3×52257707³ (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 (52257757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357857 + ... + 358002.

It is an arithmetic number, because the mean of its divisors is an integer number (13243410).

Almost surely, 2^52257707 is an apocalyptic number.

52257707 is a deficient number, since it is larger than the sum of its proper divisors (715933).

52257707 is an equidigital number, since it uses as much as digits as its factorization.

52257707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715932.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 52257707 is about 7228.9492320807. The cubic root of 52257707 is about 373.8666987553.

The spelling of 52257707 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred seven".