64430552 has 16 divisors (see below), whose sum is σ = 121691160. Its totient is φ = 31979584.

The previous prime is 64430549. The next prime is 64430573. The reversal of 64430552 is 25503446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28298 + ... + 30489.

Almost surely, 2^64430552 is an apocalyptic number.

It is an amenable number.

64430552 is a deficient number, since it is larger than the sum of its proper divisors (57260608).

64430552 is a wasteful number, since it uses less digits than its factorization.

64430552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58930 (or 58926 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 64430552 is about 8026.8643940209. The cubic root of 64430552 is about 400.8949793697.

Adding to 64430552 its reverse (25503446), we get a palindrome (89933998).

The spelling of 64430552 in words is "sixty-four million, four hundred thirty thousand, five hundred fifty-two".