52545650 has 12 divisors (see below), whose sum is σ = 97735002. Its totient is φ = 21018240.

The previous prime is 52545643. The next prime is 52545673. The reversal of 52545650 is 5654525.

It can be written as a sum of positive squares in 3 ways, for example, as 47018449 + 5527201 = 6857^2 + 2351^2 .

It is a super-2 number, since 2×52545650² = 5522090667845000, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525407 + ... + 525506.

Almost surely, 2^52545650 is an apocalyptic number.

52545650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52545650 is a deficient number, since it is larger than the sum of its proper divisors (45189352).

52545650 is a wasteful number, since it uses less digits than its factorization.

52545650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050925 (or 1050920 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 52545650 is about 7248.8378378882. The cubic root of 52545650 is about 374.5521171340.

The spelling of 52545650 in words is "fifty-two million, five hundred forty-five thousand, six hundred fifty".