52215661653 has 32 divisors (see below), whose sum is σ = 76684579200. Its totient is φ = 31456137216.

The previous prime is 52215661651. The next prime is 52215661669. The reversal of 52215661653 is 35616651225.

It is not a de Polignac number, because 52215661653 - 2¹ = 52215661651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215661651) 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, 166125 + ... + 363357.

It is an arithmetic number, because the mean of its divisors is an integer number (2396393100).

Almost surely, 2^52215661653 is an apocalyptic number.

It is an amenable number.

52215661653 is a deficient number, since it is larger than the sum of its proper divisors (24468917547).

52215661653 is a wasteful number, since it uses less digits than its factorization.

52215661653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197461.

The product of its digits is 324000, while the sum is 42.

The spelling of 52215661653 in words is "fifty-two billion, two hundred fifteen million, six hundred sixty-one thousand, six hundred fifty-three".