53773206555456 has 84 divisors (see below), whose sum is σ = 154161893140164. Its totient is φ = 17920831334400.

The previous prime is 53773206555451. The next prime is 53773206555493. The reversal of 53773206555456 is 65455560237735.

53773206555456 is a `hidden beast` number, since 5 + 3 + 7 + 7 + 3 + 20 + 6 + 5 + 554 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43539093709056 + 10234112846400 = 6598416^2 + 3199080^2 .

It is a super-4 number, since 4×53773206555456⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 53773206555393 and 53773206555402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53773206555451) 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, 6404485 + ... + 12188676.

It is an arithmetic number, because the mean of its divisors is an integer number (1835260632621).

Almost surely, 2^{53773206555456} is an apocalyptic number.

It is an amenable number.

53773206555456 is an abundant number, since it is smaller than the sum of its proper divisors (100388686584708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53773206555456 is a wasteful number, since it uses less digits than its factorization.

53773206555456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18598200 (or 18598187 counting only the distinct ones).

The product of its (nonzero) digits is 396900000, while the sum is 63.

The spelling of 53773206555456 in words is "fifty-three trillion, seven hundred seventy-three billion, two hundred six million, five hundred fifty-five thousand, four hundred fifty-six".