55772338208 has 48 divisors (see below), whose sum is σ = 110307060864. Its totient is φ = 27758142720.

The previous prime is 55772338207. The next prime is 55772338229. The reversal of 55772338208 is 80283327755.

It is a happy number.

It is a super-2 number, since 2×55772338208² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55772338207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701666 + ... + 6709982.

It is an arithmetic number, because the mean of its divisors is an integer number (2298063768).

Almost surely, 2^55772338208 is an apocalyptic number.

It is an amenable number.

55772338208 is a deficient number, since it is larger than the sum of its proper divisors (54534722656).

55772338208 is a wasteful number, since it uses less digits than its factorization.

55772338208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265 (or 9257 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 55772338208 in words is "fifty-five billion, seven hundred seventy-two million, three hundred thirty-eight thousand, two hundred eight".