55012212545 has 8 divisors (see below), whose sum is σ = 66944439360. Its totient is φ = 43389913840.

The previous prime is 55012212509. The next prime is 55012212637. The reversal of 55012212545 is 54521221055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55012212545 - 2¹⁰ = 55012211521 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 77481635 + ... + 77482344.

It is an arithmetic number, because the mean of its divisors is an integer number (8368054920).

Almost surely, 2^55012212545 is an apocalyptic number.

It is an amenable number.

55012212545 is a deficient number, since it is larger than the sum of its proper divisors (11932226815).

55012212545 is a wasteful number, since it uses less digits than its factorization.

55012212545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154964055.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 55012212545 in words is "fifty-five billion, twelve million, two hundred twelve thousand, five hundred forty-five".