55009012849 has 8 divisors (see below), whose sum is σ = 64566563648. Its totient is φ = 45876242160.

The previous prime is 55009012847. The next prime is 55009012871. The reversal of 55009012849 is 94821090055.

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

It is not a de Polignac number, because 55009012849 - 2¹ = 55009012847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55009012841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106194747 + ... + 106195264.

It is an arithmetic number, because the mean of its divisors is an integer number (8070820456).

Almost surely, 2^55009012849 is an apocalyptic number.

It is an amenable number.

55009012849 is a deficient number, since it is larger than the sum of its proper divisors (9557550799).

55009012849 is a wasteful number, since it uses less digits than its factorization.

55009012849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212390055.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 55009012849 in words is "fifty-five billion, nine million, twelve thousand, eight hundred forty-nine".