53522209944 has 96 divisors (see below), whose sum is σ = 171799729920. Its totient is φ = 15292056096.

The previous prime is 53522209927. The next prime is 53522209957. The reversal of 53522209944 is 44990222535.

53522209944 is a `hidden beast` number, since 5 + 352 + 2 + 209 + 94 + 4 = 666.

It is a super-2 number, since 2×53522209944² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53522209944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1952964 + ... + 1980179.

It is an arithmetic number, because the mean of its divisors is an integer number (1789580520).

Almost surely, 2^53522209944 is an apocalyptic number.

53522209944 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53522209944 is an abundant number, since it is smaller than the sum of its proper divisors (118277519976).

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

53522209944 is a wasteful number, since it uses less digits than its factorization.

53522209944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933171 (or 3933155 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 53522209944 in words is "fifty-three billion, five hundred twenty-two million, two hundred nine thousand, nine hundred forty-four".