52521414405 has 16 divisors (see below), whose sum is σ = 88977455424. Its totient is φ = 26363690240.

The previous prime is 52521414397. The next prime is 52521414437. The reversal of 52521414405 is 50441412525.

It is a happy number.

It is not a de Polignac number, because 52521414405 - 2³ = 52521414397 is a prime.

It is a super-2 number, since 2×52521414405² (a number of 22 digits) contains 22 as substring.

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, 102982911 + ... + 102983420.

It is an arithmetic number, because the mean of its divisors is an integer number (5561090964).

Almost surely, 2^52521414405 is an apocalyptic number.

It is an amenable number.

52521414405 is a deficient number, since it is larger than the sum of its proper divisors (36456041019).

52521414405 is a wasteful number, since it uses less digits than its factorization.

52521414405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205966356.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 52521414405 in words is "fifty-two billion, five hundred twenty-one million, four hundred fourteen thousand, four hundred five".