55649150945 has 4 divisors (see below), whose sum is σ = 66778981140. Its totient is φ = 44519320752.

The previous prime is 55649150929. The next prime is 55649151023. The reversal of 55649150945 is 54905194655.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32800107664 + 22849043281 = 181108^2 + 151159^2 .

It is a cyclic number.

It is not a de Polignac number, because 55649150945 - 2⁴ = 55649150929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564915090 + ... + 5564915099.

It is an arithmetic number, because the mean of its divisors is an integer number (16694745285).

Almost surely, 2^55649150945 is an apocalyptic number.

It is an amenable number.

55649150945 is a deficient number, since it is larger than the sum of its proper divisors (11129830195).

55649150945 is a wasteful number, since it uses less digits than its factorization.

55649150945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11129830194.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 55649150945 in words is "fifty-five billion, six hundred forty-nine million, one hundred fifty thousand, nine hundred forty-five".