53722052185554 has 32 divisors (see below), whose sum is σ = 119391667200000. Its totient is φ = 17905951377072.

The previous prime is 53722052185547. The next prime is 53722052185559. The reversal of 53722052185554 is 45558125022735.

53722052185554 is a `hidden beast` number, since 5 + 3 + 7 + 2 + 2 + 0 + 5 + 2 + 1 + 85 + 554 = 666.

53722052185554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 53722052185554.

It is not an unprimeable number, because it can be changed into a prime (53722052185559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38173329 + ... + 39555620.

It is an arithmetic number, because the mean of its divisors is an integer number (3730989600000).

Almost surely, 2^{53722052185554} is an apocalyptic number.

53722052185554 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53722052185554 is an abundant number, since it is smaller than the sum of its proper divisors (65669615014446).

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

53722052185554 is a wasteful number, since it uses less digits than its factorization.

53722052185554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77741759 (or 77741753 counting only the distinct ones).

The product of its (nonzero) digits is 16800000, while the sum is 54.

The spelling of 53722052185554 in words is "fifty-three trillion, seven hundred twenty-two billion, fifty-two million, one hundred eighty-five thousand, five hundred fifty-four".