55753960444 has 96 divisors (see below), whose sum is σ = 127886726016. Its totient is φ = 20638679040.

The previous prime is 55753960439. The next prime is 55753960571. The reversal of 55753960444 is 44406935755.

It is a super-2 number, since 2×55753960444² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 55753960391 and 55753960400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1044484 + ... + 1096564.

It is an arithmetic number, because the mean of its divisors is an integer number (1332153396).

Almost surely, 2^55753960444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55753960444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63943363008).

55753960444 is an abundant number, since it is smaller than the sum of its proper divisors (72132765572).

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

55753960444 is a wasteful number, since it uses less digits than its factorization.

55753960444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52295 (or 52293 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 55753960444 in words is "fifty-five billion, seven hundred fifty-three million, nine hundred sixty thousand, four hundred forty-four".