55433431355 has 32 divisors (see below), whose sum is σ = 69505261056. Its totient is φ = 42393600000.

The previous prime is 55433431337. The next prime is 55433431369. The reversal of 55433431355 is 55313433455.

It is a de Polignac number, because none of the positive numbers 2^k-55433431355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7213115 + ... + 7220795.

It is an arithmetic number, because the mean of its divisors is an integer number (2172039408).

Almost surely, 2^55433431355 is an apocalyptic number.

55433431355 is a deficient number, since it is larger than the sum of its proper divisors (14071829701).

55433431355 is a wasteful number, since it uses less digits than its factorization.

55433431355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its digits is 810000, while the sum is 41.

The spelling of 55433431355 in words is "fifty-five billion, four hundred thirty-three million, four hundred thirty-one thousand, three hundred fifty-five".