55776013244 has 12 divisors (see below), whose sum is σ = 111552026544. Its totient is φ = 23904005664.

The previous prime is 55776013243. The next prime is 55776013297. The reversal of 55776013244 is 44231067755.

It is a happy number.

55776013244 is an admirable number.

It is a super-2 number, since 2×55776013244² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55776013195 and 55776013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55776013243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996000209 + ... + 996000264.

It is an arithmetic number, because the mean of its divisors is an integer number (9296002212).

Almost surely, 2^55776013244 is an apocalyptic number.

It is an amenable number.

55776013244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55776013244 is a wasteful number, since it uses less digits than its factorization.

55776013244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992000484 (or 1992000482 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 55776013244 in words is "fifty-five billion, seven hundred seventy-six million, thirteen thousand, two hundred forty-four".