52991604413 has 16 divisors (see below), whose sum is σ = 57965372736. Its totient is φ = 48044067840.

The previous prime is 52991604403. The next prime is 52991604473. The reversal of 52991604413 is 31440619925.

It is a cyclic number.

It is not a de Polignac number, because 52991604413 - 2¹⁶ = 52991538877 is a prime.

It is a super-2 number, since 2×52991604413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52991604403) 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, 7695470 + ... + 7702352.

It is an arithmetic number, because the mean of its divisors is an integer number (3622835796).

Almost surely, 2^52991604413 is an apocalyptic number.

It is an amenable number.

52991604413 is a deficient number, since it is larger than the sum of its proper divisors (4973768323).

52991604413 is a wasteful number, since it uses less digits than its factorization.

52991604413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 52991604413 in words is "fifty-two billion, nine hundred ninety-one million, six hundred four thousand, four hundred thirteen".