52600000061 has 6 divisors (see below), whose sum is σ = 61187755230. Its totient is φ = 45085714296.

The previous prime is 52599999973. The next prime is 52600000073. The reversal of 52600000061 is 16000000625.

It can be written as a sum of positive squares in only one way, i.e., 47903639161 + 4696360900 = 218869^2 + 68530^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52600000061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52599999979 and 52600000042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52600000261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536734646 + ... + 536734743.

It is an arithmetic number, because the mean of its divisors is an integer number (10197959205).

Almost surely, 2^52600000061 is an apocalyptic number.

It is an amenable number.

52600000061 is a deficient number, since it is larger than the sum of its proper divisors (8587755169).

52600000061 is a wasteful number, since it uses less digits than its factorization.

52600000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073469403 (or 1073469396 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 52600000061 its reverse (16000000625), we get a palindrome (68600000686).

The spelling of 52600000061 in words is "fifty-two billion, six hundred million, sixty-one", and thus it is an aban number.