55051005506 has 48 divisors (see below), whose sum is σ = 96822134208. Its totient is φ = 22996159200.

The previous prime is 55051005487. The next prime is 55051005511. The reversal of 55051005506 is 60550015055.

It is a super-2 number, since 2×55051005506² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 14002361 + ... + 14006291.

It is an arithmetic number, because the mean of its divisors is an integer number (2017127796).

Almost surely, 2^55051005506 is an apocalyptic number.

55051005506 is a deficient number, since it is larger than the sum of its proper divisors (41771128702).

55051005506 is a wasteful number, since it uses less digits than its factorization.

55051005506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55051005506 in words is "fifty-five billion, fifty-one million, five thousand, five hundred six".