53212643404625 has 32 divisors (see below), whose sum is σ = 67100027248800. Its totient is φ = 42127470182400.

The previous prime is 53212643404621. The next prime is 53212643404643. The reversal of 53212643404625 is 52640434621235.

It can be written as a sum of positive squares in 16 ways, for example, as 53037369720976 + 175273683649 = 7282676^2 + 418657^2 .

It is not a de Polignac number, because 53212643404625 - 2² = 53212643404621 is a prime.

It is a super-2 number, since 2×53212643404625² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53212643404625.

It is not an unprimeable number, because it can be changed into a prime (53212643404621) 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, 139113131 + ... + 139495119.

It is an arithmetic number, because the mean of its divisors is an integer number (2096875851525).

Almost surely, 2^{53212643404625} is an apocalyptic number.

It is an amenable number.

53212643404625 is a deficient number, since it is larger than the sum of its proper divisors (13887383844175).

53212643404625 is a wasteful number, since it uses less digits than its factorization.

53212643404625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393590 (or 393580 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 53212643404625 in words is "fifty-three trillion, two hundred twelve billion, six hundred forty-three million, four hundred four thousand, six hundred twenty-five".