53006225646 has 64 divisors (see below), whose sum is σ = 118960275456. Its totient is φ = 15606645600.

The previous prime is 53006225639. The next prime is 53006225647. The reversal of 53006225646 is 64652260035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53006225647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493165 + ... + 590951.

It is an arithmetic number, because the mean of its divisors is an integer number (1858754304).

Almost surely, 2^53006225646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53006225646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59480137728).

53006225646 is an abundant number, since it is smaller than the sum of its proper divisors (65954049810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53006225646 is a wasteful number, since it uses less digits than its factorization.

53006225646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98037.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 53006225646 in words is "fifty-three billion, six million, two hundred twenty-five thousand, six hundred forty-six".