52611921625 has 16 divisors (see below), whose sum is σ = 66138967440. Its totient is φ = 41782300800.

The previous prime is 52611921611. The next prime is 52611921629. The reversal of 52611921625 is 52612911625.

It can be written as a sum of positive squares in 8 ways, for example, as 24011361936 + 28600559689 = 154956^2 + 169117^2 .

It is not a de Polignac number, because 52611921625 - 2¹³ = 52611913433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52611921629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518990 + ... + 1553239.

It is an arithmetic number, because the mean of its divisors is an integer number (4133685465).

Almost surely, 2^52611921625 is an apocalyptic number.

It is an amenable number.

52611921625 is a deficient number, since it is larger than the sum of its proper divisors (13527045815).

52611921625 is a wasteful number, since it uses less digits than its factorization.

52611921625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072381 (or 3072371 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The spelling of 52611921625 in words is "fifty-two billion, six hundred eleven million, nine hundred twenty-one thousand, six hundred twenty-five".