55837865766 has 16 divisors (see below), whose sum is σ = 111685690800. Its totient is φ = 18610962048.

The previous prime is 55837865747. The next prime is 55837865813. The reversal of 55837865766 is 66756873855.

It is a junction number, because it is equal to n+sod(n) for n = 55837865697 and 55837865706.

It is a congruent number.

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, 341071 + ... + 477498.

It is an arithmetic number, because the mean of its divisors is an integer number (6980355675).

Almost surely, 2^55837865766 is an apocalyptic number.

55837865766 is an abundant number, since it is smaller than the sum of its proper divisors (55847825034).

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

55837865766 is a wasteful number, since it uses less digits than its factorization.

55837865766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829943.

The product of its digits is 254016000, while the sum is 66.

The spelling of 55837865766 in words is "fifty-five billion, eight hundred thirty-seven million, eight hundred sixty-five thousand, seven hundred sixty-six".