55550266044 has 96 divisors (see below), whose sum is σ = 160049573376. Its totient is φ = 14602809600.

The previous prime is 55550266027. The next prime is 55550266061. The reversal of 55550266044 is 44066205555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55550266027) and next prime (55550266061).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 55550265987 and 55550266005.

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, 252394 + ... + 418094.

It is an arithmetic number, because the mean of its divisors is an integer number (1667183056).

Almost surely, 2^55550266044 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 55550266044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80024786688).

55550266044 is an abundant number, since it is smaller than the sum of its proper divisors (104499307332).

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

55550266044 is a wasteful number, since it uses less digits than its factorization.

55550266044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166035 (or 166033 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 55550266044 in words is "fifty-five billion, five hundred fifty million, two hundred sixty-six thousand, forty-four".