55678582772 has 12 divisors (see below), whose sum is σ = 99034856676. Its totient is φ = 27382909440.

The previous prime is 55678582763. The next prime is 55678582811. The reversal of 55678582772 is 27728587655.

It can be written as a sum of positive squares in 2 ways, for example, as 30166826596 + 25511756176 = 173686^2 + 159724^2 .

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, 114095213 + ... + 114095700.

It is an arithmetic number, because the mean of its divisors is an integer number (8252904723).

Almost surely, 2^55678582772 is an apocalyptic number.

It is an amenable number.

55678582772 is a deficient number, since it is larger than the sum of its proper divisors (43356273904).

55678582772 is a wasteful number, since it uses less digits than its factorization.

55678582772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228190978 (or 228190976 counting only the distinct ones).

The product of its digits is 65856000, while the sum is 62.

The spelling of 55678582772 in words is "fifty-five billion, six hundred seventy-eight million, five hundred eighty-two thousand, seven hundred seventy-two".