53406213599 has 8 divisors (see below), whose sum is σ = 55466968320. Its totient is φ = 51383977816.

The previous prime is 53406213589. The next prime is 53406213611. The reversal of 53406213599 is 99531260435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53406213599 - 2⁴ = 53406213583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53406213529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9626909 + ... + 9632454.

It is an arithmetic number, because the mean of its divisors is an integer number (6933371040).

Almost surely, 2^53406213599 is an apocalyptic number.

53406213599 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

53406213599 is a deficient number, since it is larger than the sum of its proper divisors (2060754721).

53406213599 is a wasteful number, since it uses less digits than its factorization.

53406213599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19259469.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 53406213599 in words is "fifty-three billion, four hundred six million, two hundred thirteen thousand, five hundred ninety-nine".