53564955109344 has 96 divisors (see below), whose sum is σ = 178549850384640. Its totient is φ = 15304272886656.

The previous prime is 53564955109343. The next prime is 53564955109357. The reversal of 53564955109344 is 44390155946535.

It is a happy number.

53564955109344 is a `hidden beast` number, since 5 + 3 + 5 + 6 + 49 + 551 + 0 + 9 + 34 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×53564955109344² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53564955109343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4428313654 + ... + 4428325749.

It is an arithmetic number, because the mean of its divisors is an integer number (1859894274840).

Almost surely, 2^{53564955109344} is an apocalyptic number.

53564955109344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53564955109344 is an abundant number, since it is smaller than the sum of its proper divisors (124984895275296).

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

53564955109344 is a wasteful number, since it uses less digits than its factorization.

53564955109344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856639429 (or 8856639415 counting only the distinct ones).

The product of its (nonzero) digits is 174960000, while the sum is 63.

The spelling of 53564955109344 in words is "fifty-three trillion, five hundred sixty-four billion, nine hundred fifty-five million, one hundred nine thousand, three hundred forty-four".