55533307755 has 16 divisors (see below), whose sum is σ = 89344198944. Its totient is φ = 29454128640.

The previous prime is 55533307747. The next prime is 55533307769. The reversal of 55533307755 is 55770333555.

It is not a de Polignac number, because 55533307755 - 2³ = 55533307747 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10224414 + ... + 10229843.

It is an arithmetic number, because the mean of its divisors is an integer number (5584012434).

Almost surely, 2^55533307755 is an apocalyptic number.

55533307755 is a deficient number, since it is larger than the sum of its proper divisors (33810891189).

55533307755 is a wasteful number, since it uses less digits than its factorization.

55533307755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454446.

The product of its (nonzero) digits is 4134375, while the sum is 48.

The spelling of 55533307755 in words is "fifty-five billion, five hundred thirty-three million, three hundred seven thousand, seven hundred fifty-five".