55280782528 has 56 divisors (see below), whose sum is σ = 110407256960. Its totient is φ = 27461928960.

The previous prime is 55280782517. The next prime is 55280782547. The reversal of 55280782528 is 82528708255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20374900 + ... + 20377612.

It is an arithmetic number, because the mean of its divisors is an integer number (1971558160).

Almost surely, 2^55280782528 is an apocalyptic number.

It is an amenable number.

55280782528 is a deficient number, since it is larger than the sum of its proper divisors (55126474432).

55280782528 is a wasteful number, since it uses less digits than its factorization.

55280782528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 52.

The spelling of 55280782528 in words is "fifty-five billion, two hundred eighty million, seven hundred eighty-two thousand, five hundred twenty-eight".