52611901645 has 16 divisors (see below), whose sum is σ = 68748768000. Its totient is φ = 38499306048.

The previous prime is 52611901603. The next prime is 52611901679. The reversal of 52611901645 is 54610911625.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52611901645 - 2¹⁷ = 52611770573 is a prime.

It is a super-3 number, since 3×52611901645³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52611901598 and 52611901607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9545685 + ... + 9551194.

It is an arithmetic number, because the mean of its divisors is an integer number (4296798000).

Almost surely, 2^52611901645 is an apocalyptic number.

It is an amenable number.

52611901645 is a deficient number, since it is larger than the sum of its proper divisors (16136866355).

52611901645 is a wasteful number, since it uses less digits than its factorization.

52611901645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096932.

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

The spelling of 52611901645 in words is "fifty-two billion, six hundred eleven million, nine hundred one thousand, six hundred forty-five".