55403120474 has 16 divisors (see below), whose sum is σ = 89503346688. Its totient is φ = 25568957232.

The previous prime is 55403120467. The next prime is 55403120501. The reversal of 55403120474 is 47402130455.

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 7 ways as a sum of consecutive naturals, for example, 377159 + ... + 503045.

It is an arithmetic number, because the mean of its divisors is an integer number (5593959168).

Almost surely, 2^55403120474 is an apocalyptic number.

55403120474 is a deficient number, since it is larger than the sum of its proper divisors (34100226214).

55403120474 is a wasteful number, since it uses less digits than its factorization.

55403120474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142829.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 55403120474 in words is "fifty-five billion, four hundred three million, one hundred twenty thousand, four hundred seventy-four".