55766860 has 12 divisors (see below), whose sum is σ = 117110448. Its totient is φ = 22306736.

The previous prime is 55766849. The next prime is 55766869. The reversal of 55766860 is 6866755.

It is not an unprimeable number, because it can be changed into a prime (55766869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394152 + ... + 1394191.

It is an arithmetic number, because the mean of its divisors is an integer number (9759204).

Almost surely, 2^55766860 is an apocalyptic number.

It is an amenable number.

55766860 is an abundant number, since it is smaller than the sum of its proper divisors (61343588).

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

55766860 is a wasteful number, since it uses less digits than its factorization.

55766860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788352 (or 2788350 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 55766860 is about 7467.7212052942. The cubic root of 55766860 is about 382.0545685593.

The spelling of 55766860 in words is "fifty-five million, seven hundred sixty-six thousand, eight hundred sixty".