55686755 has 8 divisors (see below), whose sum is σ = 66882624. Its totient is φ = 44510400.

The previous prime is 55686751. The next prime is 55686773. The reversal of 55686755 is 55768655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55686755 - 2² = 55686751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55686751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 10820.

It is an arithmetic number, because the mean of its divisors is an integer number (8360328).

Almost surely, 2^55686755 is an apocalyptic number.

55686755 is a deficient number, since it is larger than the sum of its proper divisors (11195869).

55686755 is a wasteful number, since it uses less digits than its factorization.

55686755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9757.

The product of its digits is 1260000, while the sum is 47.

The square root of 55686755 is about 7462.3558612545. The cubic root of 55686755 is about 381.8715497879.

The spelling of 55686755 in words is "fifty-five million, six hundred eighty-six thousand, seven hundred fifty-five".