55444506772 has 12 divisors (see below), whose sum is σ = 97373183796. Its totient is φ = 27623597120.

The previous prime is 55444506749. The next prime is 55444506791. The reversal of 55444506772 is 27760544455.

It can be written as a sum of positive squares in 2 ways, for example, as 41122161796 + 14322344976 = 202786^2 + 119676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24662803 + ... + 24665050.

It is an arithmetic number, because the mean of its divisors is an integer number (8114431983).

Almost surely, 2^55444506772 is an apocalyptic number.

It is an amenable number.

55444506772 is a deficient number, since it is larger than the sum of its proper divisors (41928677024).

55444506772 is a wasteful number, since it uses less digits than its factorization.

55444506772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49328138 (or 49328136 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 55444506772 in words is "fifty-five billion, four hundred forty-four million, five hundred six thousand, seven hundred seventy-two".