52354445405 has 32 divisors (see below), whose sum is σ = 66989058048. Its totient is φ = 39195956800.

The previous prime is 52354445401. The next prime is 52354445443. The reversal of 52354445405 is 50454445325.

It is not a de Polignac number, because 52354445405 - 2² = 52354445401 is a prime.

It is a super-2 number, since 2×52354445405² (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 (52354445401) 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, 1045142 + ... + 1094088.

It is an arithmetic number, because the mean of its divisors is an integer number (2093408064).

Almost surely, 2^52354445405 is an apocalyptic number.

It is an amenable number.

52354445405 is a deficient number, since it is larger than the sum of its proper divisors (14634612643).

52354445405 is a wasteful number, since it uses less digits than its factorization.

52354445405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49177.

The product of its (nonzero) digits is 960000, while the sum is 41.

The spelling of 52354445405 in words is "fifty-two billion, three hundred fifty-four million, four hundred forty-five thousand, four hundred five".