650144552 has 16 divisors (see below), whose sum is σ = 1219296660. Its totient is φ = 324998784.

The previous prime is 650144491. The next prime is 650144557. The reversal of 650144552 is 255441056.

It can be written as a sum of positive squares in 2 ways, for example, as 615734596 + 34409956 = 24814^2 + 5866^2 .

It is not an unprimeable number, because it can be changed into a prime (650144557) 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, 53858 + ... + 64814.

Almost surely, 2^650144552 is an apocalyptic number.

It is an amenable number.

650144552 is a deficient number, since it is larger than the sum of its proper divisors (569152108).

650144552 is a wasteful number, since it uses less digits than its factorization.

650144552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18380 (or 18376 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 650144552 is about 25497.9323083265. The cubic root of 650144552 is about 866.3033142199.

The spelling of 650144552 in words is "six hundred fifty million, one hundred forty-four thousand, five hundred fifty-two".