52505707 has 16 divisors (see below), whose sum is σ = 57806784. Its totient is φ = 47488000.

The previous prime is 52505681. The next prime is 52505731. The reversal of 52505707 is 70750525.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52505707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52505767) 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, 48957 + ... + 50017.

It is an arithmetic number, because the mean of its divisors is an integer number (3612924).

Almost surely, 2^52505707 is an apocalyptic number.

52505707 is a deficient number, since it is larger than the sum of its proper divisors (5301077).

52505707 is a wasteful number, since it uses less digits than its factorization.

52505707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 52505707 is about 7246.0821828075. The cubic root of 52505707 is about 374.4571868042.

The spelling of 52505707 in words is "fifty-two million, five hundred five thousand, seven hundred seven".