55765710 has 192 divisors, whose sum is σ = 194987520. Its totient is φ = 10679040.

The previous prime is 55765693. The next prime is 55765747. The reversal of 55765710 is 1756755.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89781 + ... + 90399.

It is an arithmetic number, because the mean of its divisors is an integer number (1015560).

Almost surely, 2^55765710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55765710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97493760).

55765710 is an abundant number, since it is smaller than the sum of its proper divisors (139221810).

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

55765710 is a wasteful number, since it uses less digits than its factorization.

55765710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 55765710 is about 7467.6442068433. The cubic root of 55765710 is about 382.0519423534.

The spelling of 55765710 in words is "fifty-five million, seven hundred sixty-five thousand, seven hundred ten".