55755755 has 8 divisors (see below), whose sum is σ = 72989424. Its totient is φ = 40549600.

The previous prime is 55755743. The next prime is 55755757.

55755755 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55755755 - 2⁶ = 55755691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55755757) 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, 506816 + ... + 506925.

It is an arithmetic number, because the mean of its divisors is an integer number (9123678).

Almost surely, 2^55755755 is an apocalyptic number.

55755755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55755755 is a deficient number, since it is larger than the sum of its proper divisors (17233669).

55755755 is a wasteful number, since it uses less digits than its factorization.

55755755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013757.

The product of its digits is 765625, while the sum is 44.

The square root of 55755755 is about 7466.9776348935. The cubic root of 55755755 is about 382.0292070356.

The spelling of 55755755 in words is "fifty-five million, seven hundred fifty-five thousand, seven hundred fifty-five".