52505650 has 24 divisors (see below), whose sum is σ = 98184564. Its totient is φ = 20889600.

The previous prime is 52505647. The next prime is 52505653. The reversal of 52505650 is 5650525.

It is an interprime number because it is at equal distance from previous prime (52505647) and next prime (52505653).

It can be written as a sum of positive squares in 6 ways, for example, as 18037009 + 34468641 = 4247^2 + 5871^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52505653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6930 + ... + 12370.

Almost surely, 2^52505650 is an apocalyptic number.

52505650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52505650 is a deficient number, since it is larger than the sum of its proper divisors (45678914).

52505650 is a wasteful number, since it uses less digits than its factorization.

52505650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 52505650 is about 7246.0782496465. The cubic root of 52505650 is about 374.4570513010.

The spelling of 52505650 in words is "fifty-two million, five hundred five thousand, six hundred fifty".