55212280744 has 8 divisors (see below), whose sum is σ = 103523026410. Its totient is φ = 27606140368.

The previous prime is 55212280729. The next prime is 55212280763. The reversal of 55212280744 is 44708221255.

It is a happy number.

55212280744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48691718244 + 6520562500 = 220662^2 + 80750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 55212280697 and 55212280706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450767539 + ... + 3450767554.

Almost surely, 2^55212280744 is an apocalyptic number.

It is an amenable number.

55212280744 is a deficient number, since it is larger than the sum of its proper divisors (48310745666).

55212280744 is a wasteful number, since it uses less digits than its factorization.

55212280744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901535099 (or 6901535095 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The spelling of 55212280744 in words is "fifty-five billion, two hundred twelve million, two hundred eighty thousand, seven hundred forty-four".