55154208069 has 10 divisors (see below), whose sum is σ = 82390854150. Its totient is φ = 36769471992.

The previous prime is 55154208049. The next prime is 55154208071. The reversal of 55154208069 is 96080245155.

It can be written as a sum of positive squares in only one way, i.e., 40577267844 + 14576940225 = 201438^2 + 120735^2 .

It is not a de Polignac number, because 55154208069 - 2⁵ = 55154208037 is a prime.

It is a super-3 number, since 3×55154208069³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154208019) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 340457994 + ... + 340458155.

It is an arithmetic number, because the mean of its divisors is an integer number (8239085415).

Almost surely, 2^55154208069 is an apocalyptic number.

It is an amenable number.

55154208069 is a deficient number, since it is larger than the sum of its proper divisors (27236646081).

55154208069 is an equidigital number, since it uses as much as digits as its factorization.

55154208069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680916161 (or 680916152 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 55154208069 in words is "fifty-five billion, one hundred fifty-four million, two hundred eight thousand, sixty-nine".