55062766620 has 72 divisors (see below), whose sum is σ = 167489169120. Its totient is φ = 14642486400.

The previous prime is 55062766531. The next prime is 55062766643. The reversal of 55062766620 is 2666726055.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361431 + ... + 490670.

It is an arithmetic number, because the mean of its divisors is an integer number (2326238460).

Almost surely, 2^55062766620 is an apocalyptic number.

It is an amenable number.

55062766620 is an abundant number, since it is smaller than the sum of its proper divisors (112426402500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55062766620 is a wasteful number, since it uses less digits than its factorization.

55062766620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852475 (or 852470 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 55062766620 in words is "fifty-five billion, sixty-two million, seven hundred sixty-six thousand, six hundred twenty".