55510005455 has 4 divisors (see below), whose sum is σ = 66612006552. Its totient is φ = 44408004360.

The previous prime is 55510005403. The next prime is 55510005457. The reversal of 55510005455 is 55450001555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-55510005455 is a prime.

It is a super-2 number, since 2×55510005455² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510005457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551000541 + ... + 5551000550.

It is an arithmetic number, because the mean of its divisors is an integer number (16653001638).

Almost surely, 2^55510005455 is an apocalyptic number.

55510005455 is a deficient number, since it is larger than the sum of its proper divisors (11102001097).

55510005455 is a wasteful number, since it uses less digits than its factorization.

55510005455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102001096.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 55510005455 in words is "fifty-five billion, five hundred ten million, five thousand, four hundred fifty-five".