54200585421 has 12 divisors (see below), whose sum is σ = 78291787548. Its totient is φ = 36132776064.

The previous prime is 54200585381. The next prime is 54200585431. The reversal of 54200585421 is 12458500245.

54200585421 is a `hidden beast` number, since 54 + 2 + 0 + 0 + 585 + 4 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38214776196 + 15985809225 = 195486^2 + 126435^2 .

It is not a de Polignac number, because 54200585421 - 2¹⁰ = 54200584397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54200585431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532581 + ... + 626133.

It is an arithmetic number, because the mean of its divisors is an integer number (6524315629).

Almost surely, 2^54200585421 is an apocalyptic number.

It is an amenable number.

54200585421 is a deficient number, since it is larger than the sum of its proper divisors (24091202127).

54200585421 is a wasteful number, since it uses less digits than its factorization.

54200585421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157932 (or 157929 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 54200585421 in words is "fifty-four billion, two hundred million, five hundred eighty-five thousand, four hundred twenty-one".