55077755 has 8 divisors (see below), whose sum is σ = 68967072. Its totient is φ = 42146368.

The previous prime is 55077733. The next prime is 55077767. The reversal of 55077755 is 55777055.

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

It is a cyclic number.

It is not a de Polignac number, because 55077755 - 2¹⁶ = 55012219 is a prime.

It is a Duffinian 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, 239354 + ... + 239583.

It is an arithmetic number, because the mean of its divisors is an integer number (8620884).

Almost surely, 2^55077755 is an apocalyptic number.

55077755 is a deficient number, since it is larger than the sum of its proper divisors (13889317).

55077755 is a wasteful number, since it uses less digits than its factorization.

55077755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478965.

The product of its (nonzero) digits is 214375, while the sum is 41.

The square root of 55077755 is about 7421.4388766600. The cubic root of 55077755 is about 380.4743729441.

The spelling of 55077755 in words is "fifty-five million, seventy-seven thousand, seven hundred fifty-five".