64553597476 has 9 divisors (see below), whose sum is σ = 112969684849. Its totient is φ = 32276544664.

The previous prime is 64553597413. The next prime is 64553597501. The reversal of 64553597476 is 67479535546.

It is a happy number.

The square root of 64553597476 is 254074.

It is a perfect power (a square), and thus also a powerful number.

64553597476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10718460900 + 53835136576 = 103530^2 + 232024^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 444630 + ... + 571666.

Almost surely, 2^64553597476 is an apocalyptic number.

64553597476 is the 254074-th square number.

It is an amenable number.

64553597476 is a deficient number, since it is larger than the sum of its proper divisors (48416087373).

64553597476 is an frugal number, since it uses more digits than its factorization.

64553597476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254078 (or 127039 counting only the distinct ones).

The product of its digits is 95256000, while the sum is 61.

The spelling of 64553597476 in words is "sixty-four billion, five hundred fifty-three million, five hundred ninety-seven thousand, four hundred seventy-six".